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Finding the Fourth Proportional to 529,778.85, 794,668.26 and 155,801.85

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Solution

The fourth proportional to 529,778.85, 794,668.26 and 155,801.85 is: 233,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,778.85 : 794,668.26 = 155,801.85 : x
  2. Step 2: Convert to fraction form
    529,778.85/794,668.26 = 155,801.85/x
  3. Step 3: Cross multiply
    529,778.85x = 794,668.26 × 155,801.85
  4. Step 4: Simplify right side
    529,778.85x = 123,810,785,044.28
  5. Step 5: Solve for x
    x = 123,810,785,044.28/529,778.85
  6. Step 6: Final answer
    x = 233,702.77

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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.