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Finding the Fourth Proportional to 279,316.05, 418,793.79 and 119,496.24

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Solution

The fourth proportional to 279,316.05, 418,793.79 and 119,496.24 is: 179,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,316.05 : 418,793.79 = 119,496.24 : x
  2. Step 2: Convert to fraction form
    279,316.05/418,793.79 = 119,496.24/x
  3. Step 3: Cross multiply
    279,316.05x = 418,793.79 × 119,496.24
  4. Step 4: Simplify right side
    279,316.05x = 50,044,282,510.60
  5. Step 5: Solve for x
    x = 50,044,282,510.60/279,316.05
  6. Step 6: Final answer
    x = 179,167.23

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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.