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Finding the Fourth Proportional to 425,748.80, 587,537.44 and 234,768.96

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Solution

The fourth proportional to 425,748.80, 587,537.44 and 234,768.96 is: 323,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,748.80 : 587,537.44 = 234,768.96 : x
  2. Step 2: Convert to fraction form
    425,748.80/587,537.44 = 234,768.96/x
  3. Step 3: Cross multiply
    425,748.80x = 587,537.44 × 234,768.96
  4. Step 4: Simplify right side
    425,748.80x = 137,935,553,749.86
  5. Step 5: Solve for x
    x = 137,935,553,749.86/425,748.80
  6. Step 6: Final answer
    x = 323,983.42

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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.