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Finding the Fourth Proportional to 438,555.77, 605,200.44 and 244,966.17

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Solution

The fourth proportional to 438,555.77, 605,200.44 and 244,966.17 is: 338,049.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,555.77 : 605,200.44 = 244,966.17 : x
  2. Step 2: Convert to fraction form
    438,555.77/605,200.44 = 244,966.17/x
  3. Step 3: Cross multiply
    438,555.77x = 605,200.44 × 244,966.17
  4. Step 4: Simplify right side
    438,555.77x = 148,253,633,869.12
  5. Step 5: Solve for x
    x = 148,253,633,869.12/438,555.77
  6. Step 6: Final answer
    x = 338,049.67

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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.