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Finding the Fourth Proportional to 239,220.60, 358,830.90 and 227,556.60

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Solution

The fourth proportional to 239,220.60, 358,830.90 and 227,556.60 is: 341,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,220.60 : 358,830.90 = 227,556.60 : x
  2. Step 2: Convert to fraction form
    239,220.60/358,830.90 = 227,556.60/x
  3. Step 3: Cross multiply
    239,220.60x = 358,830.90 × 227,556.60
  4. Step 4: Simplify right side
    239,220.60x = 81,654,339,578.94
  5. Step 5: Solve for x
    x = 81,654,339,578.94/239,220.60
  6. Step 6: Final answer
    x = 341,334.90

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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.