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Finding the Fourth Proportional to 334,661.36, 501,844.68 and 157,218.80

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Solution

The fourth proportional to 334,661.36, 501,844.68 and 157,218.80 is: 235,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,661.36 : 501,844.68 = 157,218.80 : x
  2. Step 2: Convert to fraction form
    334,661.36/501,844.68 = 157,218.80/x
  3. Step 3: Cross multiply
    334,661.36x = 501,844.68 × 157,218.80
  4. Step 4: Simplify right side
    334,661.36x = 78,899,418,375.98
  5. Step 5: Solve for x
    x = 78,899,418,375.98/334,661.36
  6. Step 6: Final answer
    x = 235,758.97

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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.