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Finding the Fourth Proportional to 352,658.23, 486,817.35 and 238,092.07

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Solution

The fourth proportional to 352,658.23, 486,817.35 and 238,092.07 is: 328,667.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,658.23 : 486,817.35 = 238,092.07 : x
  2. Step 2: Convert to fraction form
    352,658.23/486,817.35 = 238,092.07/x
  3. Step 3: Cross multiply
    352,658.23x = 486,817.35 × 238,092.07
  4. Step 4: Simplify right side
    352,658.23x = 115,907,350,573.42
  5. Step 5: Solve for x
    x = 115,907,350,573.42/352,658.23
  6. Step 6: Final answer
    x = 328,667.65

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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.