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Finding the Fourth Proportional to 2,574,562.22, 3,862,396.91 and 868,747.78

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Solution

The fourth proportional to 2,574,562.22, 3,862,396.91 and 868,747.78 is: 1,303,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,562.22 : 3,862,396.91 = 868,747.78 : x
  2. Step 2: Convert to fraction form
    2,574,562.22/3,862,396.91 = 868,747.78/x
  3. Step 3: Cross multiply
    2,574,562.22x = 3,862,396.91 × 868,747.78
  4. Step 4: Simplify right side
    2,574,562.22x = 3,355,448,748,041.23
  5. Step 5: Solve for x
    x = 3,355,448,748,041.23/2,574,562.22
  6. Step 6: Final answer
    x = 1,303,308.47

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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.