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Finding the Fourth Proportional to 598,711.68, 897,289.92 and 243,312.12

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Solution

The fourth proportional to 598,711.68, 897,289.92 and 243,312.12 is: 364,652.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,711.68 : 897,289.92 = 243,312.12 : x
  2. Step 2: Convert to fraction form
    598,711.68/897,289.92 = 243,312.12/x
  3. Step 3: Cross multiply
    598,711.68x = 897,289.92 × 243,312.12
  4. Step 4: Simplify right side
    598,711.68x = 218,321,512,689.83
  5. Step 5: Solve for x
    x = 218,321,512,689.83/598,711.68
  6. Step 6: Final answer
    x = 364,652.17

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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.