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Finding the Fourth Proportional to 252,499.05, 378,748.08 and 147,244.20

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Solution

The fourth proportional to 252,499.05, 378,748.08 and 147,244.20 is: 220,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,499.05 : 378,748.08 = 147,244.20 : x
  2. Step 2: Convert to fraction form
    252,499.05/378,748.08 = 147,244.20/x
  3. Step 3: Cross multiply
    252,499.05x = 378,748.08 × 147,244.20
  4. Step 4: Simplify right side
    252,499.05x = 55,768,458,041.14
  5. Step 5: Solve for x
    x = 55,768,458,041.14/252,499.05
  6. Step 6: Final answer
    x = 220,866.01

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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.