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Finding the Fourth Proportional to 425,878.92, 587,691.72 and 234,880.92

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Solution

The fourth proportional to 425,878.92, 587,691.72 and 234,880.92 is: 324,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,878.92 : 587,691.72 = 234,880.92 : x
  2. Step 2: Convert to fraction form
    425,878.92/587,691.72 = 234,880.92/x
  3. Step 3: Cross multiply
    425,878.92x = 587,691.72 × 234,880.92
  4. Step 4: Simplify right side
    425,878.92x = 138,037,571,869.98
  5. Step 5: Solve for x
    x = 138,037,571,869.98/425,878.92
  6. Step 6: Final answer
    x = 324,123.98

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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.