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Finding the Fourth Proportional to 303,345.02, 418,613.50 and 167,380.24

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Solution

The fourth proportional to 303,345.02, 418,613.50 and 167,380.24 is: 230,983.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,345.02 : 418,613.50 = 167,380.24 : x
  2. Step 2: Convert to fraction form
    303,345.02/418,613.50 = 167,380.24/x
  3. Step 3: Cross multiply
    303,345.02x = 418,613.50 × 167,380.24
  4. Step 4: Simplify right side
    303,345.02x = 70,067,628,097.24
  5. Step 5: Solve for x
    x = 70,067,628,097.24/303,345.02
  6. Step 6: Final answer
    x = 230,983.28

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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.