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Finding the Fourth Proportional to 598,387.20, 897,580.80 and 243,655.80

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Solution

The fourth proportional to 598,387.20, 897,580.80 and 243,655.80 is: 365,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,387.20 : 897,580.80 = 243,655.80 : x
  2. Step 2: Convert to fraction form
    598,387.20/897,580.80 = 243,655.80/x
  3. Step 3: Cross multiply
    598,387.20x = 897,580.80 × 243,655.80
  4. Step 4: Simplify right side
    598,387.20x = 218,700,767,888.64
  5. Step 5: Solve for x
    x = 218,700,767,888.64/598,387.20
  6. Step 6: Final answer
    x = 365,483.70

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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.