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Finding the Fourth Proportional to 3,766,503.20, 5,649,754.80 and 1,242,024.80

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Solution

The fourth proportional to 3,766,503.20, 5,649,754.80 and 1,242,024.80 is: 1,863,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766,503.20 : 5,649,754.80 = 1,242,024.80 : x
  2. Step 2: Convert to fraction form
    3,766,503.20/5,649,754.80 = 1,242,024.80/x
  3. Step 3: Cross multiply
    3,766,503.20x = 5,649,754.80 × 1,242,024.80
  4. Step 4: Simplify right side
    3,766,503.20x = 7,017,135,575,519.04
  5. Step 5: Solve for x
    x = 7,017,135,575,519.04/3,766,503.20
  6. Step 6: Final answer
    x = 1,863,037.20

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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.