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Finding the Fourth Proportional to 425,685.68, 587,450.04 and 234,705.92

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Solution

The fourth proportional to 425,685.68, 587,450.04 and 234,705.92 is: 323,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,685.68 : 587,450.04 = 234,705.92 : x
  2. Step 2: Convert to fraction form
    425,685.68/587,450.04 = 234,705.92/x
  3. Step 3: Cross multiply
    425,685.68x = 587,450.04 × 234,705.92
  4. Step 4: Simplify right side
    425,685.68x = 137,878,002,092.24
  5. Step 5: Solve for x
    x = 137,878,002,092.24/425,685.68
  6. Step 6: Final answer
    x = 323,896.27

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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.