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Finding the Fourth Proportional to 359,276.60, 538,914.90 and 148,844.60

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Solution

The fourth proportional to 359,276.60, 538,914.90 and 148,844.60 is: 223,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,276.60 : 538,914.90 = 148,844.60 : x
  2. Step 2: Convert to fraction form
    359,276.60/538,914.90 = 148,844.60/x
  3. Step 3: Cross multiply
    359,276.60x = 538,914.90 × 148,844.60
  4. Step 4: Simplify right side
    359,276.60x = 80,214,572,724.54
  5. Step 5: Solve for x
    x = 80,214,572,724.54/359,276.60
  6. Step 6: Final answer
    x = 223,266.90

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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.