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Finding the Fourth Proportional to 474,069.52, 711,104.30 and 141,645.52

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Solution

The fourth proportional to 474,069.52, 711,104.30 and 141,645.52 is: 212,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,069.52 : 711,104.30 = 141,645.52 : x
  2. Step 2: Convert to fraction form
    474,069.52/711,104.30 = 141,645.52/x
  3. Step 3: Cross multiply
    474,069.52x = 711,104.30 × 141,645.52
  4. Step 4: Simplify right side
    474,069.52x = 100,724,738,347.74
  5. Step 5: Solve for x
    x = 100,724,738,347.74/474,069.52
  6. Step 6: Final answer
    x = 212,468.29

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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.