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Finding the Fourth Proportional to 353,524.67, 487,874.22 and 192,389.93

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Solution

The fourth proportional to 353,524.67, 487,874.22 and 192,389.93 is: 265,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,524.67 : 487,874.22 = 192,389.93 : x
  2. Step 2: Convert to fraction form
    353,524.67/487,874.22 = 192,389.93/x
  3. Step 3: Cross multiply
    353,524.67x = 487,874.22 × 192,389.93
  4. Step 4: Simplify right side
    353,524.67x = 93,862,087,034.60
  5. Step 5: Solve for x
    x = 93,862,087,034.60/353,524.67
  6. Step 6: Final answer
    x = 265,503.64

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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.