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Finding the Fourth Proportional to 425,445.85, 587,127.57 and 234,471.54

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Solution

The fourth proportional to 425,445.85, 587,127.57 and 234,471.54 is: 323,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,445.85 : 587,127.57 = 234,471.54 : x
  2. Step 2: Convert to fraction form
    425,445.85/587,127.57 = 234,471.54/x
  3. Step 3: Cross multiply
    425,445.85x = 587,127.57 × 234,471.54
  4. Step 4: Simplify right side
    425,445.85x = 137,664,705,514.36
  5. Step 5: Solve for x
    x = 137,664,705,514.36/425,445.85
  6. Step 6: Final answer
    x = 323,577.51

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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.