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Finding the Fourth Proportional to 584,165.10, 876,247.65 and 331,347.90

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Solution

The fourth proportional to 584,165.10, 876,247.65 and 331,347.90 is: 497,021.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,165.10 : 876,247.65 = 331,347.90 : x
  2. Step 2: Convert to fraction form
    584,165.10/876,247.65 = 331,347.90/x
  3. Step 3: Cross multiply
    584,165.10x = 876,247.65 × 331,347.90
  4. Step 4: Simplify right side
    584,165.10x = 290,342,818,707.44
  5. Step 5: Solve for x
    x = 290,342,818,707.44/584,165.10
  6. Step 6: Final answer
    x = 497,021.85

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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.