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Finding the Fourth Proportional to 303,167.30, 418,377.60 and 167,205.32

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Solution

The fourth proportional to 303,167.30, 418,377.60 and 167,205.32 is: 230,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,167.30 : 418,377.60 = 167,205.32 : x
  2. Step 2: Convert to fraction form
    303,167.30/418,377.60 = 167,205.32/x
  3. Step 3: Cross multiply
    303,167.30x = 418,377.60 × 167,205.32
  4. Step 4: Simplify right side
    303,167.30x = 69,954,960,488.83
  5. Step 5: Solve for x
    x = 69,954,960,488.83/303,167.30
  6. Step 6: Final answer
    x = 230,747.05

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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.