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Finding the Fourth Proportional to 453,081.96, 625,271.12 and 249,149.60

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Solution

The fourth proportional to 453,081.96, 625,271.12 and 249,149.60 is: 343,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,081.96 : 625,271.12 = 249,149.60 : x
  2. Step 2: Convert to fraction form
    453,081.96/625,271.12 = 249,149.60/x
  3. Step 3: Cross multiply
    453,081.96x = 625,271.12 × 249,149.60
  4. Step 4: Simplify right side
    453,081.96x = 155,786,049,439.55
  5. Step 5: Solve for x
    x = 155,786,049,439.55/453,081.96
  6. Step 6: Final answer
    x = 343,836.35

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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.