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Finding the Fourth Proportional to 453,255.28, 625,448.87 and 249,302.95

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Solution

The fourth proportional to 453,255.28, 625,448.87 and 249,302.95 is: 344,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,255.28 : 625,448.87 = 249,302.95 : x
  2. Step 2: Convert to fraction form
    453,255.28/625,448.87 = 249,302.95/x
  3. Step 3: Cross multiply
    453,255.28x = 625,448.87 × 249,302.95
  4. Step 4: Simplify right side
    453,255.28x = 155,926,245,237.92
  5. Step 5: Solve for x
    x = 155,926,245,237.92/453,255.28
  6. Step 6: Final answer
    x = 344,014.19

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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.