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Finding the Fourth Proportional to 272,392.66, 375,914 and 226,994.64

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Solution

The fourth proportional to 272,392.66, 375,914 and 226,994.64 is: 313,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,392.66 : 375,914 = 226,994.64 : x
  2. Step 2: Convert to fraction form
    272,392.66/375,914 = 226,994.64/x
  3. Step 3: Cross multiply
    272,392.66x = 375,914 × 226,994.64
  4. Step 4: Simplify right side
    272,392.66x = 85,330,463,100.96
  5. Step 5: Solve for x
    x = 85,330,463,100.96/272,392.66
  6. Step 6: Final answer
    x = 313,262.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.