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Finding the Fourth Proportional to 272,473.92, 376,010.40 and 153,241.92

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Solution

The fourth proportional to 272,473.92, 376,010.40 and 153,241.92 is: 211,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,473.92 : 376,010.40 = 153,241.92 : x
  2. Step 2: Convert to fraction form
    272,473.92/376,010.40 = 153,241.92/x
  3. Step 3: Cross multiply
    272,473.92x = 376,010.40 × 153,241.92
  4. Step 4: Simplify right side
    272,473.92x = 57,620,555,635.97
  5. Step 5: Solve for x
    x = 57,620,555,635.97/272,473.92
  6. Step 6: Final answer
    x = 211,471.82

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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.