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Finding the Fourth Proportional to 453,585.78, 625,987.31 and 249,677.19

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Solution

The fourth proportional to 453,585.78, 625,987.31 and 249,677.19 is: 344,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,585.78 : 625,987.31 = 249,677.19 : x
  2. Step 2: Convert to fraction form
    453,585.78/625,987.31 = 249,677.19/x
  3. Step 3: Cross multiply
    453,585.78x = 625,987.31 × 249,677.19
  4. Step 4: Simplify right side
    453,585.78x = 156,294,751,288.07
  5. Step 5: Solve for x
    x = 156,294,751,288.07/453,585.78
  6. Step 6: Final answer
    x = 344,575.95

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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.