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Finding the Fourth Proportional to 474,311.03, 711,295.23 and 158,694.14

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Solution

The fourth proportional to 474,311.03, 711,295.23 and 158,694.14 is: 237,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,311.03 : 711,295.23 = 158,694.14 : x
  2. Step 2: Convert to fraction form
    474,311.03/711,295.23 = 158,694.14/x
  3. Step 3: Cross multiply
    474,311.03x = 711,295.23 × 158,694.14
  4. Step 4: Simplify right side
    474,311.03x = 112,878,384,810.95
  5. Step 5: Solve for x
    x = 112,878,384,810.95/474,311.03
  6. Step 6: Final answer
    x = 237,983.89

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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.