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Finding the Fourth Proportional to 226,878.66, 313,008.57 and 226,528.74

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Solution

The fourth proportional to 226,878.66, 313,008.57 and 226,528.74 is: 312,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,878.66 : 313,008.57 = 226,528.74 : x
  2. Step 2: Convert to fraction form
    226,878.66/313,008.57 = 226,528.74/x
  3. Step 3: Cross multiply
    226,878.66x = 313,008.57 × 226,528.74
  4. Step 4: Simplify right side
    226,878.66x = 70,905,436,971.30
  5. Step 5: Solve for x
    x = 70,905,436,971.30/226,878.66
  6. Step 6: Final answer
    x = 312,525.81

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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.