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Finding the Fourth Proportional to 367,068.98, 506,772.34 and 231,219.38

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Solution

The fourth proportional to 367,068.98, 506,772.34 and 231,219.38 is: 319,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,068.98 : 506,772.34 = 231,219.38 : x
  2. Step 2: Convert to fraction form
    367,068.98/506,772.34 = 231,219.38/x
  3. Step 3: Cross multiply
    367,068.98x = 506,772.34 × 231,219.38
  4. Step 4: Simplify right side
    367,068.98x = 117,175,586,255.95
  5. Step 5: Solve for x
    x = 117,175,586,255.95/367,068.98
  6. Step 6: Final answer
    x = 319,219.53

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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.