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Finding the Fourth Proportional to 453,029.72, 625,167.76 and 249,080.44

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Solution

The fourth proportional to 453,029.72, 625,167.76 and 249,080.44 is: 343,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,029.72 : 625,167.76 = 249,080.44 : x
  2. Step 2: Convert to fraction form
    453,029.72/625,167.76 = 249,080.44/x
  3. Step 3: Cross multiply
    453,029.72x = 625,167.76 × 249,080.44
  4. Step 4: Simplify right side
    453,029.72x = 155,717,060,734.61
  5. Step 5: Solve for x
    x = 155,717,060,734.61/453,029.72
  6. Step 6: Final answer
    x = 343,723.72

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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.