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Finding the Fourth Proportional to 527,997.40, 791,996.10 and 304,048.60

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Solution

The fourth proportional to 527,997.40, 791,996.10 and 304,048.60 is: 456,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,997.40 : 791,996.10 = 304,048.60 : x
  2. Step 2: Convert to fraction form
    527,997.40/791,996.10 = 304,048.60/x
  3. Step 3: Cross multiply
    527,997.40x = 791,996.10 × 304,048.60
  4. Step 4: Simplify right side
    527,997.40x = 240,805,305,410.46
  5. Step 5: Solve for x
    x = 240,805,305,410.46/527,997.40
  6. Step 6: Final answer
    x = 456,072.90

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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.