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Finding the Fourth Proportional to 358,936.31, 495,335.43 and 197,797.13

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Solution

The fourth proportional to 358,936.31, 495,335.43 and 197,797.13 is: 272,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,936.31 : 495,335.43 = 197,797.13 : x
  2. Step 2: Convert to fraction form
    358,936.31/495,335.43 = 197,797.13/x
  3. Step 3: Cross multiply
    358,936.31x = 495,335.43 × 197,797.13
  4. Step 4: Simplify right side
    358,936.31x = 97,975,923,964.64
  5. Step 5: Solve for x
    x = 97,975,923,964.64/358,936.31
  6. Step 6: Final answer
    x = 272,961.86

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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.