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Finding the Fourth Proportional to 352,426.72, 486,343.87 and 191,277.63

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Solution

The fourth proportional to 352,426.72, 486,343.87 and 191,277.63 is: 263,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,426.72 : 486,343.87 = 191,277.63 : x
  2. Step 2: Convert to fraction form
    352,426.72/486,343.87 = 191,277.63/x
  3. Step 3: Cross multiply
    352,426.72x = 486,343.87 × 191,277.63
  4. Step 4: Simplify right side
    352,426.72x = 93,026,700,516.64
  5. Step 5: Solve for x
    x = 93,026,700,516.64/352,426.72
  6. Step 6: Final answer
    x = 263,960.41

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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.