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Finding the Fourth Proportional to 598,614.30, 897,921.45 and 283,686.30

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Solution

The fourth proportional to 598,614.30, 897,921.45 and 283,686.30 is: 425,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,614.30 : 897,921.45 = 283,686.30 : x
  2. Step 2: Convert to fraction form
    598,614.30/897,921.45 = 283,686.30/x
  3. Step 3: Cross multiply
    598,614.30x = 897,921.45 × 283,686.30
  4. Step 4: Simplify right side
    598,614.30x = 254,728,013,841.14
  5. Step 5: Solve for x
    x = 254,728,013,841.14/598,614.30
  6. Step 6: Final answer
    x = 425,529.45

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Half scale
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Double scale
Find fourth proportional to 598,615.30, 897,922.95 and 283,687.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.