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Finding the Fourth Proportional to 453,002.82, 625,144.28 and 249,057.20

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Solution

The fourth proportional to 453,002.82, 625,144.28 and 249,057.20 is: 343,699.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,002.82 : 625,144.28 = 249,057.20 : x
  2. Step 2: Convert to fraction form
    453,002.82/625,144.28 = 249,057.20/x
  3. Step 3: Cross multiply
    453,002.82x = 625,144.28 × 249,057.20
  4. Step 4: Simplify right side
    453,002.82x = 155,696,683,972.82
  5. Step 5: Solve for x
    x = 155,696,683,972.82/453,002.82
  6. Step 6: Final answer
    x = 343,699.15

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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.