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Finding the Fourth Proportional to 410,899.31, 567,215.69 and 249,805.80

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Solution

The fourth proportional to 410,899.31, 567,215.69 and 249,805.80 is: 344,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,899.31 : 567,215.69 = 249,805.80 : x
  2. Step 2: Convert to fraction form
    410,899.31/567,215.69 = 249,805.80/x
  3. Step 3: Cross multiply
    410,899.31x = 567,215.69 × 249,805.80
  4. Step 4: Simplify right side
    410,899.31x = 141,693,769,213.00
  5. Step 5: Solve for x
    x = 141,693,769,213.00/410,899.31
  6. Step 6: Final answer
    x = 344,838.18

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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.