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Finding the Fourth Proportional to 1,866,146.90, 2,799,664.50 and 603,974.48

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Solution

The fourth proportional to 1,866,146.90, 2,799,664.50 and 603,974.48 is: 906,105.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,146.90 : 2,799,664.50 = 603,974.48 : x
  2. Step 2: Convert to fraction form
    1,866,146.90/2,799,664.50 = 603,974.48/x
  3. Step 3: Cross multiply
    1,866,146.90x = 2,799,664.50 × 603,974.48
  4. Step 4: Simplify right side
    1,866,146.90x = 1,690,925,910,561.96
  5. Step 5: Solve for x
    x = 1,690,925,910,561.96/1,866,146.90
  6. Step 6: Final answer
    x = 906,105.47

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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.