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Finding the Fourth Proportional to 425,490.92, 587,176.25 and 234,504.26

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Solution

The fourth proportional to 425,490.92, 587,176.25 and 234,504.26 is: 323,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,490.92 : 587,176.25 = 234,504.26 : x
  2. Step 2: Convert to fraction form
    425,490.92/587,176.25 = 234,504.26/x
  3. Step 3: Cross multiply
    425,490.92x = 587,176.25 × 234,504.26
  4. Step 4: Simplify right side
    425,490.92x = 137,695,327,887.42
  5. Step 5: Solve for x
    x = 137,695,327,887.42/425,490.92
  6. Step 6: Final answer
    x = 323,615.20

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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.