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Finding the Fourth Proportional to 425,477.22, 587,147.04 and 234,490.56

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Solution

The fourth proportional to 425,477.22, 587,147.04 and 234,490.56 is: 323,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,477.22 : 587,147.04 = 234,490.56 : x
  2. Step 2: Convert to fraction form
    425,477.22/587,147.04 = 234,490.56/x
  3. Step 3: Cross multiply
    425,477.22x = 587,147.04 × 234,490.56
  4. Step 4: Simplify right side
    425,477.22x = 137,680,438,211.94
  5. Step 5: Solve for x
    x = 137,680,438,211.94/425,477.22
  6. Step 6: Final answer
    x = 323,590.62

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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.