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Finding the Fourth Proportional to 529,778.97, 794,668.46 and 155,801.97

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Solution

The fourth proportional to 529,778.97, 794,668.46 and 155,801.97 is: 233,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,778.97 : 794,668.46 = 155,801.97 : x
  2. Step 2: Convert to fraction form
    529,778.97/794,668.46 = 155,801.97/x
  3. Step 3: Cross multiply
    529,778.97x = 794,668.46 × 155,801.97
  4. Step 4: Simplify right side
    529,778.97x = 123,810,910,785.86
  5. Step 5: Solve for x
    x = 123,810,910,785.86/529,778.97
  6. Step 6: Final answer
    x = 233,702.96

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Double scale
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Similar ratio
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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.