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Finding the Fourth Proportional to 233,279.37, 349,974.59 and 75,507.81

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Solution

The fourth proportional to 233,279.37, 349,974.59 and 75,507.81 is: 113,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,279.37 : 349,974.59 = 75,507.81 : x
  2. Step 2: Convert to fraction form
    233,279.37/349,974.59 = 75,507.81/x
  3. Step 3: Cross multiply
    233,279.37x = 349,974.59 × 75,507.81
  4. Step 4: Simplify right side
    233,279.37x = 26,425,814,469.01
  5. Step 5: Solve for x
    x = 26,425,814,469.01/233,279.37
  6. Step 6: Final answer
    x = 113,279.69

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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.