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Finding the Fourth Proportional to 453,081.22, 625,265.67 and 249,121.60

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Solution

The fourth proportional to 453,081.22, 625,265.67 and 249,121.60 is: 343,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,081.22 : 625,265.67 = 249,121.60 : x
  2. Step 2: Convert to fraction form
    453,081.22/625,265.67 = 249,121.60/x
  3. Step 3: Cross multiply
    453,081.22x = 625,265.67 × 249,121.60
  4. Step 4: Simplify right side
    453,081.22x = 155,767,184,135.47
  5. Step 5: Solve for x
    x = 155,767,184,135.47/453,081.22
  6. Step 6: Final answer
    x = 343,795.28

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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.