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Finding the Fourth Proportional to 425,460.60, 587,130.42 and 234,469.89

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Solution

The fourth proportional to 425,460.60, 587,130.42 and 234,469.89 is: 323,565.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,460.60 : 587,130.42 = 234,469.89 : x
  2. Step 2: Convert to fraction form
    425,460.60/587,130.42 = 234,469.89/x
  3. Step 3: Cross multiply
    425,460.60x = 587,130.42 × 234,469.89
  4. Step 4: Simplify right side
    425,460.60x = 137,664,405,872.32
  5. Step 5: Solve for x
    x = 137,664,405,872.32/425,460.60
  6. Step 6: Final answer
    x = 323,565.58

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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.