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Finding the Fourth Proportional to 666,475.74, 999,755.14 and 267,064.62

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Solution

The fourth proportional to 666,475.74, 999,755.14 and 267,064.62 is: 400,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,475.74 : 999,755.14 = 267,064.62 : x
  2. Step 2: Convert to fraction form
    666,475.74/999,755.14 = 267,064.62/x
  3. Step 3: Cross multiply
    666,475.74x = 999,755.14 × 267,064.62
  4. Step 4: Simplify right side
    666,475.74x = 266,999,226,557.15
  5. Step 5: Solve for x
    x = 266,999,226,557.15/666,475.74
  6. Step 6: Final answer
    x = 400,613.57

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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.