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Finding the Fourth Proportional to 352,006.94, 486,170.50 and 238,632.86

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Solution

The fourth proportional to 352,006.94, 486,170.50 and 238,632.86 is: 329,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,006.94 : 486,170.50 = 238,632.86 : x
  2. Step 2: Convert to fraction form
    352,006.94/486,170.50 = 238,632.86/x
  3. Step 3: Cross multiply
    352,006.94x = 486,170.50 × 238,632.86
  4. Step 4: Simplify right side
    352,006.94x = 116,016,256,862.63
  5. Step 5: Solve for x
    x = 116,016,256,862.63/352,006.94
  6. Step 6: Final answer
    x = 329,585.14

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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.