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Finding the Fourth Proportional to 349,538.08, 482,313.16 and 196,555

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Solution

The fourth proportional to 349,538.08, 482,313.16 and 196,555 is: 271,218.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,538.08 : 482,313.16 = 196,555 : x
  2. Step 2: Convert to fraction form
    349,538.08/482,313.16 = 196,555/x
  3. Step 3: Cross multiply
    349,538.08x = 482,313.16 × 196,555
  4. Step 4: Simplify right side
    349,538.08x = 94,801,063,163.80
  5. Step 5: Solve for x
    x = 94,801,063,163.80/349,538.08
  6. Step 6: Final answer
    x = 271,218.13

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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.