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Finding the Fourth Proportional to 304,568.76, 419,902.20 and 249,920.76

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Solution

The fourth proportional to 304,568.76, 419,902.20 and 249,920.76 is: 344,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,568.76 : 419,902.20 = 249,920.76 : x
  2. Step 2: Convert to fraction form
    304,568.76/419,902.20 = 249,920.76/x
  3. Step 3: Cross multiply
    304,568.76x = 419,902.20 × 249,920.76
  4. Step 4: Simplify right side
    304,568.76x = 104,942,276,949.67
  5. Step 5: Solve for x
    x = 104,942,276,949.67/304,568.76
  6. Step 6: Final answer
    x = 344,560.21

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1.5x scale

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.