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Finding the Fourth Proportional to 431,502.56, 595,493.70 and 240,517.32

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Solution

The fourth proportional to 431,502.56, 595,493.70 and 240,517.32 is: 331,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,502.56 : 595,493.70 = 240,517.32 : x
  2. Step 2: Convert to fraction form
    431,502.56/595,493.70 = 240,517.32/x
  3. Step 3: Cross multiply
    431,502.56x = 595,493.70 × 240,517.32
  4. Step 4: Simplify right side
    431,502.56x = 143,226,548,800.88
  5. Step 5: Solve for x
    x = 143,226,548,800.88/431,502.56
  6. Step 6: Final answer
    x = 331,925.14

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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.