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Finding the Fourth Proportional to 598,758.28, 898,134.90 and 243,688.12

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Solution

The fourth proportional to 598,758.28, 898,134.90 and 243,688.12 is: 365,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,758.28 : 898,134.90 = 243,688.12 : x
  2. Step 2: Convert to fraction form
    598,758.28/898,134.90 = 243,688.12/x
  3. Step 3: Cross multiply
    598,758.28x = 898,134.90 × 243,688.12
  4. Step 4: Simplify right side
    598,758.28x = 218,864,805,287.39
  5. Step 5: Solve for x
    x = 218,864,805,287.39/598,758.28
  6. Step 6: Final answer
    x = 365,531.15

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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.