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Finding the Fourth Proportional to 425,590.56, 587,343.60 and 234,604.08

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Solution

The fourth proportional to 425,590.56, 587,343.60 and 234,604.08 is: 323,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,590.56 : 587,343.60 = 234,604.08 : x
  2. Step 2: Convert to fraction form
    425,590.56/587,343.60 = 234,604.08/x
  3. Step 3: Cross multiply
    425,590.56x = 587,343.60 × 234,604.08
  4. Step 4: Simplify right side
    425,590.56x = 137,793,204,921.89
  5. Step 5: Solve for x
    x = 137,793,204,921.89/425,590.56
  6. Step 6: Final answer
    x = 323,769.41

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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.