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Finding the Fourth Proportional to 304,154.84, 419,594.17 and 196,759.51

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Solution

The fourth proportional to 304,154.84, 419,594.17 and 196,759.51 is: 271,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,154.84 : 419,594.17 = 196,759.51 : x
  2. Step 2: Convert to fraction form
    304,154.84/419,594.17 = 196,759.51/x
  3. Step 3: Cross multiply
    304,154.84x = 419,594.17 × 196,759.51
  4. Step 4: Simplify right side
    304,154.84x = 82,559,140,698.19
  5. Step 5: Solve for x
    x = 82,559,140,698.19/304,154.84
  6. Step 6: Final answer
    x = 271,437.87

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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.