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Finding the Fourth Proportional to 1,866,141.12, 2,799,655.89 and 603,968.73

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Solution

The fourth proportional to 1,866,141.12, 2,799,655.89 and 603,968.73 is: 906,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,141.12 : 2,799,655.89 = 603,968.73 : x
  2. Step 2: Convert to fraction form
    1,866,141.12/2,799,655.89 = 603,968.73/x
  3. Step 3: Cross multiply
    1,866,141.12x = 2,799,655.89 × 603,968.73
  4. Step 4: Simplify right side
    1,866,141.12x = 1,690,904,612,320.32
  5. Step 5: Solve for x
    x = 1,690,904,612,320.32/1,866,141.12
  6. Step 6: Final answer
    x = 906,096.86

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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.