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Finding the Fourth Proportional to 546,773.60, 820,160.40 and 410,960.90

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Solution

The fourth proportional to 546,773.60, 820,160.40 and 410,960.90 is: 616,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,773.60 : 820,160.40 = 410,960.90 : x
  2. Step 2: Convert to fraction form
    546,773.60/820,160.40 = 410,960.90/x
  3. Step 3: Cross multiply
    546,773.60x = 820,160.40 × 410,960.90
  4. Step 4: Simplify right side
    546,773.60x = 337,053,856,128.36
  5. Step 5: Solve for x
    x = 337,053,856,128.36/546,773.60
  6. Step 6: Final answer
    x = 616,441.35

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1.5x scale

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.