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Finding the Fourth Proportional to 440,442.24, 660,663.12 and 124,901.76

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Solution

The fourth proportional to 440,442.24, 660,663.12 and 124,901.76 is: 187,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,442.24 : 660,663.12 = 124,901.76 : x
  2. Step 2: Convert to fraction form
    440,442.24/660,663.12 = 124,901.76/x
  3. Step 3: Cross multiply
    440,442.24x = 660,663.12 × 124,901.76
  4. Step 4: Simplify right side
    440,442.24x = 82,517,986,455.09
  5. Step 5: Solve for x
    x = 82,517,986,455.09/440,442.24
  6. Step 6: Final answer
    x = 187,352.57

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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.