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Finding the Fourth Proportional to 656,889.12, 984,046.80 and 585,480.48

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Solution

The fourth proportional to 656,889.12, 984,046.80 and 585,480.48 is: 877,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,889.12 : 984,046.80 = 585,480.48 : x
  2. Step 2: Convert to fraction form
    656,889.12/984,046.80 = 585,480.48/x
  3. Step 3: Cross multiply
    656,889.12x = 984,046.80 × 585,480.48
  4. Step 4: Simplify right side
    656,889.12x = 576,140,192,806.46
  5. Step 5: Solve for x
    x = 576,140,192,806.46/656,889.12
  6. Step 6: Final answer
    x = 877,073.73

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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.