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Finding the Fourth Proportional to 453,046.06, 625,205.17 and 249,109.81

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Solution

The fourth proportional to 453,046.06, 625,205.17 and 249,109.81 is: 343,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,046.06 : 625,205.17 = 249,109.81 : x
  2. Step 2: Convert to fraction form
    453,046.06/625,205.17 = 249,109.81/x
  3. Step 3: Cross multiply
    453,046.06x = 625,205.17 × 249,109.81
  4. Step 4: Simplify right side
    453,046.06x = 155,744,741,109.72
  5. Step 5: Solve for x
    x = 155,744,741,109.72/453,046.06
  6. Step 6: Final answer
    x = 343,772.42

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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.