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Finding the Fourth Proportional to 423,759.34, 584,645.13 and 239,972.74

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Solution

The fourth proportional to 423,759.34, 584,645.13 and 239,972.74 is: 331,081.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,759.34 : 584,645.13 = 239,972.74 : x
  2. Step 2: Convert to fraction form
    423,759.34/584,645.13 = 239,972.74/x
  3. Step 3: Cross multiply
    423,759.34x = 584,645.13 × 239,972.74
  4. Step 4: Simplify right side
    423,759.34x = 140,298,893,773.76
  5. Step 5: Solve for x
    x = 140,298,893,773.76/423,759.34
  6. Step 6: Final answer
    x = 331,081.54

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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.