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Finding the Fourth Proportional to 352,951.48, 529,434.78 and 103,633.48

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Solution

The fourth proportional to 352,951.48, 529,434.78 and 103,633.48 is: 155,452.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,951.48 : 529,434.78 = 103,633.48 : x
  2. Step 2: Convert to fraction form
    352,951.48/529,434.78 = 103,633.48/x
  3. Step 3: Cross multiply
    352,951.48x = 529,434.78 × 103,633.48
  4. Step 4: Simplify right side
    352,951.48x = 54,867,168,684.43
  5. Step 5: Solve for x
    x = 54,867,168,684.43/352,951.48
  6. Step 6: Final answer
    x = 155,452.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.