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Finding the Fourth Proportional to 359,270.20, 538,905.30 and 226,300.60

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Solution

The fourth proportional to 359,270.20, 538,905.30 and 226,300.60 is: 339,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,270.20 : 538,905.30 = 226,300.60 : x
  2. Step 2: Convert to fraction form
    359,270.20/538,905.30 = 226,300.60/x
  3. Step 3: Cross multiply
    359,270.20x = 538,905.30 × 226,300.60
  4. Step 4: Simplify right side
    359,270.20x = 121,954,592,733.18
  5. Step 5: Solve for x
    x = 121,954,592,733.18/359,270.20
  6. Step 6: Final answer
    x = 339,450.90

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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.