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Finding the Fourth Proportional to 453,077.96, 625,265.60 and 249,145.61

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Solution

The fourth proportional to 453,077.96, 625,265.60 and 249,145.61 is: 343,830.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,077.96 : 625,265.60 = 249,145.61 : x
  2. Step 2: Convert to fraction form
    453,077.96/625,265.60 = 249,145.61/x
  3. Step 3: Cross multiply
    453,077.96x = 625,265.60 × 249,145.61
  4. Step 4: Simplify right side
    453,077.96x = 155,782,174,951.96
  5. Step 5: Solve for x
    x = 155,782,174,951.96/453,077.96
  6. Step 6: Final answer
    x = 343,830.84

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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.