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Finding the Fourth Proportional to 358,902.85, 495,308.04 and 197,757.85

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Solution

The fourth proportional to 358,902.85, 495,308.04 and 197,757.85 is: 272,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,902.85 : 495,308.04 = 197,757.85 : x
  2. Step 2: Convert to fraction form
    358,902.85/495,308.04 = 197,757.85/x
  3. Step 3: Cross multiply
    358,902.85x = 495,308.04 × 197,757.85
  4. Step 4: Simplify right side
    358,902.85x = 97,951,053,078.11
  5. Step 5: Solve for x
    x = 97,951,053,078.11/358,902.85
  6. Step 6: Final answer
    x = 272,918.01

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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.