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Finding the Fourth Proportional to 425,427.35, 587,086.92 and 234,440.89

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Solution

The fourth proportional to 425,427.35, 587,086.92 and 234,440.89 is: 323,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,427.35 : 587,086.92 = 234,440.89 : x
  2. Step 2: Convert to fraction form
    425,427.35/587,086.92 = 234,440.89/x
  3. Step 3: Cross multiply
    425,427.35x = 587,086.92 × 234,440.89
  4. Step 4: Simplify right side
    425,427.35x = 137,637,178,564.44
  5. Step 5: Solve for x
    x = 137,637,178,564.44/425,427.35
  6. Step 6: Final answer
    x = 323,526.87

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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.