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Finding the Fourth Proportional to 491,362.80, 737,044.20 and 175,844.40

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Solution

The fourth proportional to 491,362.80, 737,044.20 and 175,844.40 is: 263,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,362.80 : 737,044.20 = 175,844.40 : x
  2. Step 2: Convert to fraction form
    491,362.80/737,044.20 = 175,844.40/x
  3. Step 3: Cross multiply
    491,362.80x = 737,044.20 × 175,844.40
  4. Step 4: Simplify right side
    491,362.80x = 129,605,095,122.48
  5. Step 5: Solve for x
    x = 129,605,095,122.48/491,362.80
  6. Step 6: Final answer
    x = 263,766.60

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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.