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Finding the Fourth Proportional to 3,799,742.64, 5,699,625.42 and 921,098.16

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Solution

The fourth proportional to 3,799,742.64, 5,699,625.42 and 921,098.16 is: 1,381,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,799,742.64 : 5,699,625.42 = 921,098.16 : x
  2. Step 2: Convert to fraction form
    3,799,742.64/5,699,625.42 = 921,098.16/x
  3. Step 3: Cross multiply
    3,799,742.64x = 5,699,625.42 × 921,098.16
  4. Step 4: Simplify right side
    3,799,742.64x = 5,249,914,487,051.23
  5. Step 5: Solve for x
    x = 5,249,914,487,051.23/3,799,742.64
  6. Step 6: Final answer
    x = 1,381,650.02

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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.