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Finding the Fourth Proportional to 304,191.84, 456,248.80 and 126,665.76

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Solution

The fourth proportional to 304,191.84, 456,248.80 and 126,665.76 is: 189,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,191.84 : 456,248.80 = 126,665.76 : x
  2. Step 2: Convert to fraction form
    304,191.84/456,248.80 = 126,665.76/x
  3. Step 3: Cross multiply
    304,191.84x = 456,248.80 × 126,665.76
  4. Step 4: Simplify right side
    304,191.84x = 57,791,101,001.09
  5. Step 5: Solve for x
    x = 57,791,101,001.09/304,191.84
  6. Step 6: Final answer
    x = 189,982.42

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1.5x scale

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.