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Finding the Fourth Proportional to 352,948.40, 529,422.60 and 100,228.40

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Solution

The fourth proportional to 352,948.40, 529,422.60 and 100,228.40 is: 150,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,948.40 : 529,422.60 = 100,228.40 : x
  2. Step 2: Convert to fraction form
    352,948.40/529,422.60 = 100,228.40/x
  3. Step 3: Cross multiply
    352,948.40x = 529,422.60 × 100,228.40
  4. Step 4: Simplify right side
    352,948.40x = 53,063,180,121.84
  5. Step 5: Solve for x
    x = 53,063,180,121.84/352,948.40
  6. Step 6: Final answer
    x = 150,342.60

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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.