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Finding the Fourth Proportional to 553,654.70, 829,169.85 and 553,654.70

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Solution

The fourth proportional to 553,654.70, 829,169.85 and 553,654.70 is: 829,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,654.70 : 829,169.85 = 553,654.70 : x
  2. Step 2: Convert to fraction form
    553,654.70/829,169.85 = 553,654.70/x
  3. Step 3: Cross multiply
    553,654.70x = 829,169.85 × 553,654.70
  4. Step 4: Simplify right side
    553,654.70x = 459,073,784,550.80
  5. Step 5: Solve for x
    x = 459,073,784,550.80/553,654.70
  6. Step 6: Final answer
    x = 829,169.85

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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.