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Finding the Fourth Proportional to 474,401.70, 711,601.67 and 154,553.19

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Solution

The fourth proportional to 474,401.70, 711,601.67 and 154,553.19 is: 231,829.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,401.70 : 711,601.67 = 154,553.19 : x
  2. Step 2: Convert to fraction form
    474,401.70/711,601.67 = 154,553.19/x
  3. Step 3: Cross multiply
    474,401.70x = 711,601.67 × 154,553.19
  4. Step 4: Simplify right side
    474,401.70x = 109,980,308,494.21
  5. Step 5: Solve for x
    x = 109,980,308,494.21/474,401.70
  6. Step 6: Final answer
    x = 231,829.50

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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.