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Finding the Fourth Proportional to 431,759.61, 595,830.87 and 240,785.10

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Solution

The fourth proportional to 431,759.61, 595,830.87 and 240,785.10 is: 332,284.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,759.61 : 595,830.87 = 240,785.10 : x
  2. Step 2: Convert to fraction form
    431,759.61/595,830.87 = 240,785.10/x
  3. Step 3: Cross multiply
    431,759.61x = 595,830.87 × 240,785.10
  4. Step 4: Simplify right side
    431,759.61x = 143,467,195,616.04
  5. Step 5: Solve for x
    x = 143,467,195,616.04/431,759.61
  6. Step 6: Final answer
    x = 332,284.89

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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.