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Finding the Fourth Proportional to 265,836.25, 398,920.37 and 177,151.98

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Solution

The fourth proportional to 265,836.25, 398,920.37 and 177,151.98 is: 265,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,836.25 : 398,920.37 = 177,151.98 : x
  2. Step 2: Convert to fraction form
    265,836.25/398,920.37 = 177,151.98/x
  3. Step 3: Cross multiply
    265,836.25x = 398,920.37 × 177,151.98
  4. Step 4: Simplify right side
    265,836.25x = 70,669,533,407.83
  5. Step 5: Solve for x
    x = 70,669,533,407.83/265,836.25
  6. Step 6: Final answer
    x = 265,838.59

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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.