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Finding the Fourth Proportional to 1,044,531.32, 1,566,796.97 and 689,462.30

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Solution

The fourth proportional to 1,044,531.32, 1,566,796.97 and 689,462.30 is: 1,034,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,531.32 : 1,566,796.97 = 689,462.30 : x
  2. Step 2: Convert to fraction form
    1,044,531.32/1,566,796.97 = 689,462.30/x
  3. Step 3: Cross multiply
    1,044,531.32x = 1,566,796.97 × 689,462.30
  4. Step 4: Simplify right side
    1,044,531.32x = 1,080,247,439,396.65
  5. Step 5: Solve for x
    x = 1,080,247,439,396.65/1,044,531.32
  6. Step 6: Final answer
    x = 1,034,193.45

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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.