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Finding the Fourth Proportional to 453,019.07, 625,166.70 and 249,073.49

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Solution

The fourth proportional to 453,019.07, 625,166.70 and 249,073.49 is: 343,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,019.07 : 625,166.70 = 249,073.49 : x
  2. Step 2: Convert to fraction form
    453,019.07/625,166.70 = 249,073.49/x
  3. Step 3: Cross multiply
    453,019.07x = 625,166.70 × 249,073.49
  4. Step 4: Simplify right side
    453,019.07x = 155,712,451,800.78
  5. Step 5: Solve for x
    x = 155,712,451,800.78/453,019.07
  6. Step 6: Final answer
    x = 343,721.63

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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.