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Finding the Fourth Proportional to 453,055.98, 625,233.30 and 249,122.43

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Solution

The fourth proportional to 453,055.98, 625,233.30 and 249,122.43 is: 343,797.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,055.98 : 625,233.30 = 249,122.43 : x
  2. Step 2: Convert to fraction form
    453,055.98/625,233.30 = 249,122.43/x
  3. Step 3: Cross multiply
    453,055.98x = 625,233.30 × 249,122.43
  4. Step 4: Simplify right side
    453,055.98x = 155,759,639,012.92
  5. Step 5: Solve for x
    x = 155,759,639,012.92/453,055.98
  6. Step 6: Final answer
    x = 343,797.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.