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Finding the Fourth Proportional to 252,044.40, 378,066.60 and 228,716.40

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Solution

The fourth proportional to 252,044.40, 378,066.60 and 228,716.40 is: 343,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,044.40 : 378,066.60 = 228,716.40 : x
  2. Step 2: Convert to fraction form
    252,044.40/378,066.60 = 228,716.40/x
  3. Step 3: Cross multiply
    252,044.40x = 378,066.60 × 228,716.40
  4. Step 4: Simplify right side
    252,044.40x = 86,470,031,712.24
  5. Step 5: Solve for x
    x = 86,470,031,712.24/252,044.40
  6. Step 6: Final answer
    x = 343,074.60

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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.