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Finding the Fourth Proportional to 353,111.60, 528,792.60 and 226,557.20

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Solution

The fourth proportional to 353,111.60, 528,792.60 and 226,557.20 is: 339,274.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,111.60 : 528,792.60 = 226,557.20 : x
  2. Step 2: Convert to fraction form
    353,111.60/528,792.60 = 226,557.20/x
  3. Step 3: Cross multiply
    353,111.60x = 528,792.60 × 226,557.20
  4. Step 4: Simplify right side
    353,111.60x = 119,801,770,836.72
  5. Step 5: Solve for x
    x = 119,801,770,836.72/353,111.60
  6. Step 6: Final answer
    x = 339,274.53

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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.