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Finding the Fourth Proportional to 474,470.70, 711,475.65 and 263,885.10

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Solution

The fourth proportional to 474,470.70, 711,475.65 and 263,885.10 is: 395,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,470.70 : 711,475.65 = 263,885.10 : x
  2. Step 2: Convert to fraction form
    474,470.70/711,475.65 = 263,885.10/x
  3. Step 3: Cross multiply
    474,470.70x = 711,475.65 × 263,885.10
  4. Step 4: Simplify right side
    474,470.70x = 187,747,823,047.82
  5. Step 5: Solve for x
    x = 187,747,823,047.82/474,470.70
  6. Step 6: Final answer
    x = 395,699.51

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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.