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Finding the Fourth Proportional to 1,044,122.30, 1,566,183.45 and 866,983.10

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Solution

The fourth proportional to 1,044,122.30, 1,566,183.45 and 866,983.10 is: 1,300,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044,122.30 : 1,566,183.45 = 866,983.10 : x
  2. Step 2: Convert to fraction form
    1,044,122.30/1,566,183.45 = 866,983.10/x
  3. Step 3: Cross multiply
    1,044,122.30x = 1,566,183.45 × 866,983.10
  4. Step 4: Simplify right side
    1,044,122.30x = 1,357,854,582,649.69
  5. Step 5: Solve for x
    x = 1,357,854,582,649.69/1,044,122.30
  6. Step 6: Final answer
    x = 1,300,474.65

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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.