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Finding the Fourth Proportional to 474,278.71, 711,427.32 and 174,605.03

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Solution

The fourth proportional to 474,278.71, 711,427.32 and 174,605.03 is: 261,910.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,278.71 : 711,427.32 = 174,605.03 : x
  2. Step 2: Convert to fraction form
    474,278.71/711,427.32 = 174,605.03/x
  3. Step 3: Cross multiply
    474,278.71x = 711,427.32 × 174,605.03
  4. Step 4: Simplify right side
    474,278.71x = 124,218,790,329.99
  5. Step 5: Solve for x
    x = 124,218,790,329.99/474,278.71
  6. Step 6: Final answer
    x = 261,910.96

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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.