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Finding the Fourth Proportional to 452,993.71, 625,115.38 and 249,043.15

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Solution

The fourth proportional to 452,993.71, 625,115.38 and 249,043.15 is: 343,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,993.71 : 625,115.38 = 249,043.15 : x
  2. Step 2: Convert to fraction form
    452,993.71/625,115.38 = 249,043.15/x
  3. Step 3: Cross multiply
    452,993.71x = 625,115.38 × 249,043.15
  4. Step 4: Simplify right side
    452,993.71x = 155,680,703,348.65
  5. Step 5: Solve for x
    x = 155,680,703,348.65/452,993.71
  6. Step 6: Final answer
    x = 343,670.78

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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.