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Finding the Fourth Proportional to 353,957.60, 530,061.60 and 234,984.80

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Solution

The fourth proportional to 353,957.60, 530,061.60 and 234,984.80 is: 351,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,957.60 : 530,061.60 = 234,984.80 : x
  2. Step 2: Convert to fraction form
    353,957.60/530,061.60 = 234,984.80/x
  3. Step 3: Cross multiply
    353,957.60x = 530,061.60 × 234,984.80
  4. Step 4: Simplify right side
    353,957.60x = 124,556,419,063.68
  5. Step 5: Solve for x
    x = 124,556,419,063.68/353,957.60
  6. Step 6: Final answer
    x = 351,896.44

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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.