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Finding the Fourth Proportional to 303,309.59, 418,568.69 and 167,343.53

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Solution

The fourth proportional to 303,309.59, 418,568.69 and 167,343.53 is: 230,934.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,309.59 : 418,568.69 = 167,343.53 : x
  2. Step 2: Convert to fraction form
    303,309.59/418,568.69 = 167,343.53/x
  3. Step 3: Cross multiply
    303,309.59x = 418,568.69 × 167,343.53
  4. Step 4: Simplify right side
    303,309.59x = 70,044,762,132.08
  5. Step 5: Solve for x
    x = 70,044,762,132.08/303,309.59
  6. Step 6: Final answer
    x = 230,934.87

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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.