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Finding the Fourth Proportional to 649,578.48, 969,359.88 and 570,862.27

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Solution

The fourth proportional to 649,578.48, 969,359.88 and 570,862.27 is: 851,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,578.48 : 969,359.88 = 570,862.27 : x
  2. Step 2: Convert to fraction form
    649,578.48/969,359.88 = 570,862.27/x
  3. Step 3: Cross multiply
    649,578.48x = 969,359.88 × 570,862.27
  4. Step 4: Simplify right side
    649,578.48x = 553,370,981,543.73
  5. Step 5: Solve for x
    x = 553,370,981,543.73/649,578.48
  6. Step 6: Final answer
    x = 851,892.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.