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Finding the Fourth Proportional to 304,472.87, 420,070.11 and 177,043.67

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Solution

The fourth proportional to 304,472.87, 420,070.11 and 177,043.67 is: 244,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,472.87 : 420,070.11 = 177,043.67 : x
  2. Step 2: Convert to fraction form
    304,472.87/420,070.11 = 177,043.67/x
  3. Step 3: Cross multiply
    304,472.87x = 420,070.11 × 177,043.67
  4. Step 4: Simplify right side
    304,472.87x = 74,370,753,931.70
  5. Step 5: Solve for x
    x = 74,370,753,931.70/304,472.87
  6. Step 6: Final answer
    x = 244,260.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.