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Finding the Fourth Proportional to 933,375.45, 1,287,959.54 and 525,469.88

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Solution

The fourth proportional to 933,375.45, 1,287,959.54 and 525,469.88 is: 725,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,375.45 : 1,287,959.54 = 525,469.88 : x
  2. Step 2: Convert to fraction form
    933,375.45/1,287,959.54 = 525,469.88/x
  3. Step 3: Cross multiply
    933,375.45x = 1,287,959.54 × 525,469.88
  4. Step 4: Simplify right side
    933,375.45x = 676,783,945,521.21
  5. Step 5: Solve for x
    x = 676,783,945,521.21/933,375.45
  6. Step 6: Final answer
    x = 725,092.93

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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.