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Finding the Fourth Proportional to 303,593.68, 418,983.24 and 176,309.20

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Solution

The fourth proportional to 303,593.68, 418,983.24 and 176,309.20 is: 243,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,593.68 : 418,983.24 = 176,309.20 : x
  2. Step 2: Convert to fraction form
    303,593.68/418,983.24 = 176,309.20/x
  3. Step 3: Cross multiply
    303,593.68x = 418,983.24 × 176,309.20
  4. Step 4: Simplify right side
    303,593.68x = 73,870,599,857.81
  5. Step 5: Solve for x
    x = 73,870,599,857.81/303,593.68
  6. Step 6: Final answer
    x = 243,320.61

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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.