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Finding the Fourth Proportional to 313,808.68, 433,045.38 and 179,646.76

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Solution

The fourth proportional to 313,808.68, 433,045.38 and 179,646.76 is: 247,906.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,808.68 : 433,045.38 = 179,646.76 : x
  2. Step 2: Convert to fraction form
    313,808.68/433,045.38 = 179,646.76/x
  3. Step 3: Cross multiply
    313,808.68x = 433,045.38 × 179,646.76
  4. Step 4: Simplify right side
    313,808.68x = 77,795,199,449.97
  5. Step 5: Solve for x
    x = 77,795,199,449.97/313,808.68
  6. Step 6: Final answer
    x = 247,906.46

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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.