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Finding the Fourth Proportional to 367,069.98, 506,773.72 and 231,220.38

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Solution

The fourth proportional to 367,069.98, 506,773.72 and 231,220.38 is: 319,220.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,069.98 : 506,773.72 = 231,220.38 : x
  2. Step 2: Convert to fraction form
    367,069.98/506,773.72 = 231,220.38/x
  3. Step 3: Cross multiply
    367,069.98x = 506,773.72 × 231,220.38
  4. Step 4: Simplify right side
    367,069.98x = 117,176,412,112.41
  5. Step 5: Solve for x
    x = 117,176,412,112.41/367,069.98
  6. Step 6: Final answer
    x = 319,220.91

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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.