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Finding the Fourth Proportional to 479,988.86, 662,377.91 and 262,194.95

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Solution

The fourth proportional to 479,988.86, 662,377.91 and 262,194.95 is: 361,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,988.86 : 662,377.91 = 262,194.95 : x
  2. Step 2: Convert to fraction form
    479,988.86/662,377.91 = 262,194.95/x
  3. Step 3: Cross multiply
    479,988.86x = 662,377.91 × 262,194.95
  4. Step 4: Simplify right side
    479,988.86x = 173,672,141,475.59
  5. Step 5: Solve for x
    x = 173,672,141,475.59/479,988.86
  6. Step 6: Final answer
    x = 361,825.36

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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.