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Finding the Fourth Proportional to 453,245.65, 625,480.24 and 249,317.47

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Solution

The fourth proportional to 453,245.65, 625,480.24 and 249,317.47 is: 344,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,245.65 : 625,480.24 = 249,317.47 : x
  2. Step 2: Convert to fraction form
    453,245.65/625,480.24 = 249,317.47/x
  3. Step 3: Cross multiply
    453,245.65x = 625,480.24 × 249,317.47
  4. Step 4: Simplify right side
    453,245.65x = 155,943,147,844.39
  5. Step 5: Solve for x
    x = 155,943,147,844.39/453,245.65
  6. Step 6: Final answer
    x = 344,058.79

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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.