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Finding the Fourth Proportional to 550,718.88, 825,876.48 and 190,796.78

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Solution

The fourth proportional to 550,718.88, 825,876.48 and 190,796.78 is: 286,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,718.88 : 825,876.48 = 190,796.78 : x
  2. Step 2: Convert to fraction form
    550,718.88/825,876.48 = 190,796.78/x
  3. Step 3: Cross multiply
    550,718.88x = 825,876.48 × 190,796.78
  4. Step 4: Simplify right side
    550,718.88x = 157,574,573,061.73
  5. Step 5: Solve for x
    x = 157,574,573,061.73/550,718.88
  6. Step 6: Final answer
    x = 286,125.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.