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Finding the Fourth Proportional to 598,627.80, 897,941.70 and 283,699.80

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Solution

The fourth proportional to 598,627.80, 897,941.70 and 283,699.80 is: 425,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,627.80 : 897,941.70 = 283,699.80 : x
  2. Step 2: Convert to fraction form
    598,627.80/897,941.70 = 283,699.80/x
  3. Step 3: Cross multiply
    598,627.80x = 897,941.70 × 283,699.80
  4. Step 4: Simplify right side
    598,627.80x = 254,745,880,701.66
  5. Step 5: Solve for x
    x = 254,745,880,701.66/598,627.80
  6. Step 6: Final answer
    x = 425,549.70

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Double scale
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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.