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Finding the Fourth Proportional to 316,181.38, 474,237.13 and 79,524.15

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Solution

The fourth proportional to 316,181.38, 474,237.13 and 79,524.15 is: 119,277.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,181.38 : 474,237.13 = 79,524.15 : x
  2. Step 2: Convert to fraction form
    316,181.38/474,237.13 = 79,524.15/x
  3. Step 3: Cross multiply
    316,181.38x = 474,237.13 × 79,524.15
  4. Step 4: Simplify right side
    316,181.38x = 37,713,304,661.69
  5. Step 5: Solve for x
    x = 37,713,304,661.69/316,181.38
  6. Step 6: Final answer
    x = 119,277.44

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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.