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Finding the Fourth Proportional to 431,861.62, 595,970.07 and 240,887.38

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Solution

The fourth proportional to 431,861.62, 595,970.07 and 240,887.38 is: 332,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,861.62 : 595,970.07 = 240,887.38 : x
  2. Step 2: Convert to fraction form
    431,861.62/595,970.07 = 240,887.38/x
  3. Step 3: Cross multiply
    431,861.62x = 595,970.07 × 240,887.38
  4. Step 4: Simplify right side
    431,861.62x = 143,561,668,720.72
  5. Step 5: Solve for x
    x = 143,561,668,720.72/431,861.62
  6. Step 6: Final answer
    x = 332,425.16

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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.