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Finding the Fourth Proportional to 453,641.13, 626,019.77 and 249,687.65

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Solution

The fourth proportional to 453,641.13, 626,019.77 and 249,687.65 is: 344,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,641.13 : 626,019.77 = 249,687.65 : x
  2. Step 2: Convert to fraction form
    453,641.13/626,019.77 = 249,687.65/x
  3. Step 3: Cross multiply
    453,641.13x = 626,019.77 × 249,687.65
  4. Step 4: Simplify right side
    453,641.13x = 156,309,407,414.11
  5. Step 5: Solve for x
    x = 156,309,407,414.11/453,641.13
  6. Step 6: Final answer
    x = 344,566.22

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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.