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Finding the Fourth Proportional to 1,866,136.38, 2,799,648.76 and 603,964.02

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Solution

The fourth proportional to 1,866,136.38, 2,799,648.76 and 603,964.02 is: 906,089.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,136.38 : 2,799,648.76 = 603,964.02 : x
  2. Step 2: Convert to fraction form
    1,866,136.38/2,799,648.76 = 603,964.02/x
  3. Step 3: Cross multiply
    1,866,136.38x = 2,799,648.76 × 603,964.02
  4. Step 4: Simplify right side
    1,866,136.38x = 1,690,887,119,677.62
  5. Step 5: Solve for x
    x = 1,690,887,119,677.62/1,866,136.38
  6. Step 6: Final answer
    x = 906,089.79

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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.