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Finding the Fourth Proportional to 431,702.28, 595,767.60 and 240,715.71

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Solution

The fourth proportional to 431,702.28, 595,767.60 and 240,715.71 is: 332,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,702.28 : 595,767.60 = 240,715.71 : x
  2. Step 2: Convert to fraction form
    431,702.28/595,767.60 = 240,715.71/x
  3. Step 3: Cross multiply
    431,702.28x = 595,767.60 × 240,715.71
  4. Step 4: Simplify right side
    431,702.28x = 143,410,620,829.00
  5. Step 5: Solve for x
    x = 143,410,620,829.00/431,702.28
  6. Step 6: Final answer
    x = 332,197.97

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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.