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Finding the Fourth Proportional to 514,398.71, 771,316.18 and 159,314.15

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Solution

The fourth proportional to 514,398.71, 771,316.18 and 159,314.15 is: 238,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,398.71 : 771,316.18 = 159,314.15 : x
  2. Step 2: Convert to fraction form
    514,398.71/771,316.18 = 159,314.15/x
  3. Step 3: Cross multiply
    514,398.71x = 771,316.18 × 159,314.15
  4. Step 4: Simplify right side
    514,398.71x = 122,881,581,597.95
  5. Step 5: Solve for x
    x = 122,881,581,597.95/514,398.71
  6. Step 6: Final answer
    x = 238,883.92

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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.