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Finding the Fourth Proportional to 550,264.70, 825,397.05 and 501,275.90

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Solution

The fourth proportional to 550,264.70, 825,397.05 and 501,275.90 is: 751,913.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,264.70 : 825,397.05 = 501,275.90 : x
  2. Step 2: Convert to fraction form
    550,264.70/825,397.05 = 501,275.90/x
  3. Step 3: Cross multiply
    550,264.70x = 825,397.05 × 501,275.90
  4. Step 4: Simplify right side
    550,264.70x = 413,751,649,096.10
  5. Step 5: Solve for x
    x = 413,751,649,096.10/550,264.70
  6. Step 6: Final answer
    x = 751,913.85

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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.