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Finding the Fourth Proportional to 453,862.71, 626,325.48 and 249,909.57

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Solution

The fourth proportional to 453,862.71, 626,325.48 and 249,909.57 is: 344,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,862.71 : 626,325.48 = 249,909.57 : x
  2. Step 2: Convert to fraction form
    453,862.71/626,325.48 = 249,909.57/x
  3. Step 3: Cross multiply
    453,862.71x = 626,325.48 × 249,909.57
  4. Step 4: Simplify right side
    453,862.71x = 156,524,731,386.84
  5. Step 5: Solve for x
    x = 156,524,731,386.84/453,862.71
  6. Step 6: Final answer
    x = 344,872.42

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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.