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Finding the Fourth Proportional to 303,049.47, 418,206.47 and 167,082.87

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Solution

The fourth proportional to 303,049.47, 418,206.47 and 167,082.87 is: 230,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,049.47 : 418,206.47 = 167,082.87 : x
  2. Step 2: Convert to fraction form
    303,049.47/418,206.47 = 167,082.87/x
  3. Step 3: Cross multiply
    303,049.47x = 418,206.47 × 167,082.87
  4. Step 4: Simplify right side
    303,049.47x = 69,875,136,424.75
  5. Step 5: Solve for x
    x = 69,875,136,424.75/303,049.47
  6. Step 6: Final answer
    x = 230,573.37

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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.