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Finding the Fourth Proportional to 303,344.02, 418,612.12 and 167,379.24

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Solution

The fourth proportional to 303,344.02, 418,612.12 and 167,379.24 is: 230,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,344.02 : 418,612.12 = 167,379.24 : x
  2. Step 2: Convert to fraction form
    303,344.02/418,612.12 = 167,379.24/x
  3. Step 3: Cross multiply
    303,344.02x = 418,612.12 × 167,379.24
  4. Step 4: Simplify right side
    303,344.02x = 70,066,979,651.74
  5. Step 5: Solve for x
    x = 70,066,979,651.74/303,344.02
  6. Step 6: Final answer
    x = 230,981.90

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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.