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Finding the Fourth Proportional to 303,314.52, 418,578.30 and 167,354.40

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Solution

The fourth proportional to 303,314.52, 418,578.30 and 167,354.40 is: 230,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,314.52 : 418,578.30 = 167,354.40 : x
  2. Step 2: Convert to fraction form
    303,314.52/418,578.30 = 167,354.40/x
  3. Step 3: Cross multiply
    303,314.52x = 418,578.30 × 167,354.40
  4. Step 4: Simplify right side
    303,314.52x = 70,050,920,249.52
  5. Step 5: Solve for x
    x = 70,050,920,249.52/303,314.52
  6. Step 6: Final answer
    x = 230,951.42

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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.