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Finding the Fourth Proportional to 474,023.74, 711,106.42 and 174,481.55

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Solution

The fourth proportional to 474,023.74, 711,106.42 and 174,481.55 is: 261,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,023.74 : 711,106.42 = 174,481.55 : x
  2. Step 2: Convert to fraction form
    474,023.74/711,106.42 = 174,481.55/x
  3. Step 3: Cross multiply
    474,023.74x = 711,106.42 × 174,481.55
  4. Step 4: Simplify right side
    474,023.74x = 124,074,950,376.55
  5. Step 5: Solve for x
    x = 124,074,950,376.55/474,023.74
  6. Step 6: Final answer
    x = 261,748.39

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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.