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Finding the Fourth Proportional to 932,562.30, 1,398,843.45 and 859,079.10

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Solution

The fourth proportional to 932,562.30, 1,398,843.45 and 859,079.10 is: 1,288,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,562.30 : 1,398,843.45 = 859,079.10 : x
  2. Step 2: Convert to fraction form
    932,562.30/1,398,843.45 = 859,079.10/x
  3. Step 3: Cross multiply
    932,562.30x = 1,398,843.45 × 859,079.10
  4. Step 4: Simplify right side
    932,562.30x = 1,201,717,172,066.90
  5. Step 5: Solve for x
    x = 1,201,717,172,066.90/932,562.30
  6. Step 6: Final answer
    x = 1,288,618.65

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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.