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Finding the Fourth Proportional to 963,932.10, 1,445,898.15 and 739,983.30

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Solution

The fourth proportional to 963,932.10, 1,445,898.15 and 739,983.30 is: 1,109,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,932.10 : 1,445,898.15 = 739,983.30 : x
  2. Step 2: Convert to fraction form
    963,932.10/1,445,898.15 = 739,983.30/x
  3. Step 3: Cross multiply
    963,932.10x = 1,445,898.15 × 739,983.30
  4. Step 4: Simplify right side
    963,932.10x = 1,069,940,484,500.90
  5. Step 5: Solve for x
    x = 1,069,940,484,500.90/963,932.10
  6. Step 6: Final answer
    x = 1,109,974.95

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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.