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Finding the Fourth Proportional to 537,672.32, 741,990.48 and 295,979.20

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Solution

The fourth proportional to 537,672.32, 741,990.48 and 295,979.20 is: 408,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,672.32 : 741,990.48 = 295,979.20 : x
  2. Step 2: Convert to fraction form
    537,672.32/741,990.48 = 295,979.20/x
  3. Step 3: Cross multiply
    537,672.32x = 741,990.48 × 295,979.20
  4. Step 4: Simplify right side
    537,672.32x = 219,613,748,678.02
  5. Step 5: Solve for x
    x = 219,613,748,678.02/537,672.32
  6. Step 6: Final answer
    x = 408,452.77

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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.