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Finding the Fourth Proportional to 453,578.67, 625,915.22 and 249,648.95

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Solution

The fourth proportional to 453,578.67, 625,915.22 and 249,648.95 is: 344,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,578.67 : 625,915.22 = 249,648.95 : x
  2. Step 2: Convert to fraction form
    453,578.67/625,915.22 = 249,648.95/x
  3. Step 3: Cross multiply
    453,578.67x = 625,915.22 × 249,648.95
  4. Step 4: Simplify right side
    453,578.67x = 156,259,075,431.38
  5. Step 5: Solve for x
    x = 156,259,075,431.38/453,578.67
  6. Step 6: Final answer
    x = 344,502.70

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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.