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Finding the Fourth Proportional to 272,499.67, 376,101.57 and 180,456.76

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Solution

The fourth proportional to 272,499.67, 376,101.57 and 180,456.76 is: 249,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,499.67 : 376,101.57 = 180,456.76 : x
  2. Step 2: Convert to fraction form
    272,499.67/376,101.57 = 180,456.76/x
  3. Step 3: Cross multiply
    272,499.67x = 376,101.57 × 180,456.76
  4. Step 4: Simplify right side
    272,499.67x = 67,870,070,753.11
  5. Step 5: Solve for x
    x = 67,870,070,753.11/272,499.67
  6. Step 6: Final answer
    x = 249,064.78

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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.