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Finding the Fourth Proportional to 491,552.80, 737,615.79 and 207,225.95

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Solution

The fourth proportional to 491,552.80, 737,615.79 and 207,225.95 is: 310,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,552.80 : 737,615.79 = 207,225.95 : x
  2. Step 2: Convert to fraction form
    491,552.80/737,615.79 = 207,225.95/x
  3. Step 3: Cross multiply
    491,552.80x = 737,615.79 × 207,225.95
  4. Step 4: Simplify right side
    491,552.80x = 152,853,129,129.67
  5. Step 5: Solve for x
    x = 152,853,129,129.67/491,552.80
  6. Step 6: Final answer
    x = 310,959.74

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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.