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Finding the Fourth Proportional to 453,002.56, 625,130.40 and 249,053.88

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Solution

The fourth proportional to 453,002.56, 625,130.40 and 249,053.88 is: 343,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,002.56 : 625,130.40 = 249,053.88 : x
  2. Step 2: Convert to fraction form
    453,002.56/625,130.40 = 249,053.88/x
  3. Step 3: Cross multiply
    453,002.56x = 625,130.40 × 249,053.88
  4. Step 4: Simplify right side
    453,002.56x = 155,691,151,625.95
  5. Step 5: Solve for x
    x = 155,691,151,625.95/453,002.56
  6. Step 6: Final answer
    x = 343,687.13

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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.