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Finding the Fourth Proportional to 508,974.19, 763,498.02 and 154,016.20

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Solution

The fourth proportional to 508,974.19, 763,498.02 and 154,016.20 is: 231,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,974.19 : 763,498.02 = 154,016.20 : x
  2. Step 2: Convert to fraction form
    508,974.19/763,498.02 = 154,016.20/x
  3. Step 3: Cross multiply
    508,974.19x = 763,498.02 × 154,016.20
  4. Step 4: Simplify right side
    508,974.19x = 117,591,063,747.92
  5. Step 5: Solve for x
    x = 117,591,063,747.92/508,974.19
  6. Step 6: Final answer
    x = 231,035.42

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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.