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Finding the Fourth Proportional to 306,737.82, 423,161.82 and 179,357.22

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Solution

The fourth proportional to 306,737.82, 423,161.82 and 179,357.22 is: 247,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,737.82 : 423,161.82 = 179,357.22 : x
  2. Step 2: Convert to fraction form
    306,737.82/423,161.82 = 179,357.22/x
  3. Step 3: Cross multiply
    306,737.82x = 423,161.82 × 179,357.22
  4. Step 4: Simplify right side
    306,737.82x = 75,897,127,645.34
  5. Step 5: Solve for x
    x = 75,897,127,645.34/306,737.82
  6. Step 6: Final answer
    x = 247,433.22

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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.