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Finding the Fourth Proportional to 252,460.58, 378,402.91 and 157,734.32

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Solution

The fourth proportional to 252,460.58, 378,402.91 and 157,734.32 is: 236,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,460.58 : 378,402.91 = 157,734.32 : x
  2. Step 2: Convert to fraction form
    252,460.58/378,402.91 = 157,734.32/x
  3. Step 3: Cross multiply
    252,460.58x = 378,402.91 × 157,734.32
  4. Step 4: Simplify right side
    252,460.58x = 59,687,123,408.52
  5. Step 5: Solve for x
    x = 59,687,123,408.52/252,460.58
  6. Step 6: Final answer
    x = 236,421.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.