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Finding the Fourth Proportional to 537,654.12, 741,956.81 and 295,931.49

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Solution

The fourth proportional to 537,654.12, 741,956.81 and 295,931.49 is: 408,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,654.12 : 741,956.81 = 295,931.49 : x
  2. Step 2: Convert to fraction form
    537,654.12/741,956.81 = 295,931.49/x
  3. Step 3: Cross multiply
    537,654.12x = 741,956.81 × 295,931.49
  4. Step 4: Simplify right side
    537,654.12x = 219,568,382,819.29
  5. Step 5: Solve for x
    x = 219,568,382,819.29/537,654.12
  6. Step 6: Final answer
    x = 408,382.22

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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.