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Finding the Fourth Proportional to 234,248.46, 323,264.64 and 126,820.31

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Solution

The fourth proportional to 234,248.46, 323,264.64 and 126,820.31 is: 175,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,248.46 : 323,264.64 = 126,820.31 : x
  2. Step 2: Convert to fraction form
    234,248.46/323,264.64 = 126,820.31/x
  3. Step 3: Cross multiply
    234,248.46x = 323,264.64 × 126,820.31
  4. Step 4: Simplify right side
    234,248.46x = 40,996,520,240.52
  5. Step 5: Solve for x
    x = 40,996,520,240.52/234,248.46
  6. Step 6: Final answer
    x = 175,012.98

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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.