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Finding the Fourth Proportional to 431,255.64, 595,115.46 and 240,264.12

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Solution

The fourth proportional to 431,255.64, 595,115.46 and 240,264.12 is: 331,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,255.64 : 595,115.46 = 240,264.12 : x
  2. Step 2: Convert to fraction form
    431,255.64/595,115.46 = 240,264.12/x
  3. Step 3: Cross multiply
    431,255.64x = 595,115.46 × 240,264.12
  4. Step 4: Simplify right side
    431,255.64x = 142,984,892,295.30
  5. Step 5: Solve for x
    x = 142,984,892,295.30/431,255.64
  6. Step 6: Final answer
    x = 331,554.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.