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Finding the Fourth Proportional to 358,951.68, 495,346.88 and 195,609.60

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Solution

The fourth proportional to 358,951.68, 495,346.88 and 195,609.60 is: 269,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,951.68 : 495,346.88 = 195,609.60 : x
  2. Step 2: Convert to fraction form
    358,951.68/495,346.88 = 195,609.60/x
  3. Step 3: Cross multiply
    358,951.68x = 495,346.88 × 195,609.60
  4. Step 4: Simplify right side
    358,951.68x = 96,894,605,058.05
  5. Step 5: Solve for x
    x = 96,894,605,058.05/358,951.68
  6. Step 6: Final answer
    x = 269,937.74

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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.