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Finding the Fourth Proportional to 331,272.10, 496,908.15 and 292,564.90

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Solution

The fourth proportional to 331,272.10, 496,908.15 and 292,564.90 is: 438,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,272.10 : 496,908.15 = 292,564.90 : x
  2. Step 2: Convert to fraction form
    331,272.10/496,908.15 = 292,564.90/x
  3. Step 3: Cross multiply
    331,272.10x = 496,908.15 × 292,564.90
  4. Step 4: Simplify right side
    331,272.10x = 145,377,883,213.94
  5. Step 5: Solve for x
    x = 145,377,883,213.94/331,272.10
  6. Step 6: Final answer
    x = 438,847.35

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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.