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Finding the Fourth Proportional to 514,869.29, 772,432.56 and 363,362.18

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Solution

The fourth proportional to 514,869.29, 772,432.56 and 363,362.18 is: 545,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,869.29 : 772,432.56 = 363,362.18 : x
  2. Step 2: Convert to fraction form
    514,869.29/772,432.56 = 363,362.18/x
  3. Step 3: Cross multiply
    514,869.29x = 772,432.56 × 363,362.18
  4. Step 4: Simplify right side
    514,869.29x = 280,672,777,087.77
  5. Step 5: Solve for x
    x = 280,672,777,087.77/514,869.29
  6. Step 6: Final answer
    x = 545,134.05

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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.