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Finding the Fourth Proportional to 352,893.60, 528,465.60 and 226,339.20

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Solution

The fourth proportional to 352,893.60, 528,465.60 and 226,339.20 is: 338,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,893.60 : 528,465.60 = 226,339.20 : x
  2. Step 2: Convert to fraction form
    352,893.60/528,465.60 = 226,339.20/x
  3. Step 3: Cross multiply
    352,893.60x = 528,465.60 × 226,339.20
  4. Step 4: Simplify right side
    352,893.60x = 119,612,481,131.52
  5. Step 5: Solve for x
    x = 119,612,481,131.52/352,893.60
  6. Step 6: Final answer
    x = 338,947.72

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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.