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Finding the Fourth Proportional to 453,083.96, 625,273.88 and 249,151.60

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Solution

The fourth proportional to 453,083.96, 625,273.88 and 249,151.60 is: 343,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,083.96 : 625,273.88 = 249,151.60 : x
  2. Step 2: Convert to fraction form
    453,083.96/625,273.88 = 249,151.60/x
  3. Step 3: Cross multiply
    453,083.96x = 625,273.88 × 249,151.60
  4. Step 4: Simplify right side
    453,083.96x = 155,787,987,640.21
  5. Step 5: Solve for x
    x = 155,787,987,640.21/453,083.96
  6. Step 6: Final answer
    x = 343,839.11

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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.