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Finding the Fourth Proportional to 474,116.70, 711,277.45 and 141,726.30

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Solution

The fourth proportional to 474,116.70, 711,277.45 and 141,726.30 is: 212,620.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,116.70 : 711,277.45 = 141,726.30 : x
  2. Step 2: Convert to fraction form
    474,116.70/711,277.45 = 141,726.30/x
  3. Step 3: Cross multiply
    474,116.70x = 711,277.45 × 141,726.30
  4. Step 4: Simplify right side
    474,116.70x = 100,806,721,261.94
  5. Step 5: Solve for x
    x = 100,806,721,261.94/474,116.70
  6. Step 6: Final answer
    x = 212,620.06

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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.