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Finding the Fourth Proportional to 1,866,144.90, 2,799,661.50 and 603,972.48

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Solution

The fourth proportional to 1,866,144.90, 2,799,661.50 and 603,972.48 is: 906,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,144.90 : 2,799,661.50 = 603,972.48 : x
  2. Step 2: Convert to fraction form
    1,866,144.90/2,799,661.50 = 603,972.48/x
  3. Step 3: Cross multiply
    1,866,144.90x = 2,799,661.50 × 603,972.48
  4. Step 4: Simplify right side
    1,866,144.90x = 1,690,918,499,315.52
  5. Step 5: Solve for x
    x = 1,690,918,499,315.52/1,866,144.90
  6. Step 6: Final answer
    x = 906,102.47

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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.