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Finding the Fourth Proportional to 569,223.90, 853,835.85 and 534,203.10

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Solution

The fourth proportional to 569,223.90, 853,835.85 and 534,203.10 is: 801,304.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,223.90 : 853,835.85 = 534,203.10 : x
  2. Step 2: Convert to fraction form
    569,223.90/853,835.85 = 534,203.10/x
  3. Step 3: Cross multiply
    569,223.90x = 853,835.85 × 534,203.10
  4. Step 4: Simplify right side
    569,223.90x = 456,121,757,961.14
  5. Step 5: Solve for x
    x = 456,121,757,961.14/569,223.90
  6. Step 6: Final answer
    x = 801,304.65

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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.