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Finding the Fourth Proportional to 359,273.60, 538,910.40 and 148,841.60

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Solution

The fourth proportional to 359,273.60, 538,910.40 and 148,841.60 is: 223,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,273.60 : 538,910.40 = 148,841.60 : x
  2. Step 2: Convert to fraction form
    359,273.60/538,910.40 = 148,841.60/x
  3. Step 3: Cross multiply
    359,273.60x = 538,910.40 × 148,841.60
  4. Step 4: Simplify right side
    359,273.60x = 80,212,286,192.64
  5. Step 5: Solve for x
    x = 80,212,286,192.64/359,273.60
  6. Step 6: Final answer
    x = 223,262.40

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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.