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Finding the Fourth Proportional to 352,843.82, 486,921.85 and 191,700.19

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Solution

The fourth proportional to 352,843.82, 486,921.85 and 191,700.19 is: 264,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,843.82 : 486,921.85 = 191,700.19 : x
  2. Step 2: Convert to fraction form
    352,843.82/486,921.85 = 191,700.19/x
  3. Step 3: Cross multiply
    352,843.82x = 486,921.85 × 191,700.19
  4. Step 4: Simplify right side
    352,843.82x = 93,343,011,289.55
  5. Step 5: Solve for x
    x = 93,343,011,289.55/352,843.82
  6. Step 6: Final answer
    x = 264,544.84

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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.