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Finding the Fourth Proportional to 963,402.30, 1,443,721.05 and 708,695.10

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Solution

The fourth proportional to 963,402.30, 1,443,721.05 and 708,695.10 is: 1,062,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,402.30 : 1,443,721.05 = 708,695.10 : x
  2. Step 2: Convert to fraction form
    963,402.30/1,443,721.05 = 708,695.10/x
  3. Step 3: Cross multiply
    963,402.30x = 1,443,721.05 × 708,695.10
  4. Step 4: Simplify right side
    963,402.30x = 1,023,158,033,901.86
  5. Step 5: Solve for x
    x = 1,023,158,033,901.86/963,402.30
  6. Step 6: Final answer
    x = 1,062,025.73

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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.