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Finding the Fourth Proportional to 656,206.80, 984,310.20 and 573,262.80

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Solution

The fourth proportional to 656,206.80, 984,310.20 and 573,262.80 is: 859,894.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,206.80 : 984,310.20 = 573,262.80 : x
  2. Step 2: Convert to fraction form
    656,206.80/984,310.20 = 573,262.80/x
  3. Step 3: Cross multiply
    656,206.80x = 984,310.20 × 573,262.80
  4. Step 4: Simplify right side
    656,206.80x = 564,268,421,320.56
  5. Step 5: Solve for x
    x = 564,268,421,320.56/656,206.80
  6. Step 6: Final answer
    x = 859,894.20

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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.