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Finding the Fourth Proportional to 704,645.20, 1,055,218.20 and 564,677.20

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Solution

The fourth proportional to 704,645.20, 1,055,218.20 and 564,677.20 is: 845,613.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,645.20 : 1,055,218.20 = 564,677.20 : x
  2. Step 2: Convert to fraction form
    704,645.20/1,055,218.20 = 564,677.20/x
  3. Step 3: Cross multiply
    704,645.20x = 1,055,218.20 × 564,677.20
  4. Step 4: Simplify right side
    704,645.20x = 595,857,658,565.04
  5. Step 5: Solve for x
    x = 595,857,658,565.04/704,645.20
  6. Step 6: Final answer
    x = 845,613.73

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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.