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Finding the Fourth Proportional to 564,124.80, 845,744.19 and 386,092.07

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Solution

The fourth proportional to 564,124.80, 845,744.19 and 386,092.07 is: 578,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,124.80 : 845,744.19 = 386,092.07 : x
  2. Step 2: Convert to fraction form
    564,124.80/845,744.19 = 386,092.07/x
  3. Step 3: Cross multiply
    564,124.80x = 845,744.19 × 386,092.07
  4. Step 4: Simplify right side
    564,124.80x = 326,535,122,502.55
  5. Step 5: Solve for x
    x = 326,535,122,502.55/564,124.80
  6. Step 6: Final answer
    x = 578,834.90

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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.