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Finding the Fourth Proportional to 425,609.32, 587,342.64 and 234,618.52

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Solution

The fourth proportional to 425,609.32, 587,342.64 and 234,618.52 is: 323,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,609.32 : 587,342.64 = 234,618.52 : x
  2. Step 2: Convert to fraction form
    425,609.32/587,342.64 = 234,618.52/x
  3. Step 3: Cross multiply
    425,609.32x = 587,342.64 × 234,618.52
  4. Step 4: Simplify right side
    425,609.32x = 137,801,460,929.69
  5. Step 5: Solve for x
    x = 137,801,460,929.69/425,609.32
  6. Step 6: Final answer
    x = 323,774.54

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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.