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Finding the Fourth Proportional to 252,017.40, 378,026.10 and 226,356.60

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Solution

The fourth proportional to 252,017.40, 378,026.10 and 226,356.60 is: 339,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,017.40 : 378,026.10 = 226,356.60 : x
  2. Step 2: Convert to fraction form
    252,017.40/378,026.10 = 226,356.60/x
  3. Step 3: Cross multiply
    252,017.40x = 378,026.10 × 226,356.60
  4. Step 4: Simplify right side
    252,017.40x = 85,568,702,707.26
  5. Step 5: Solve for x
    x = 85,568,702,707.26/252,017.40
  6. Step 6: Final answer
    x = 339,534.90

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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.