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Finding the Fourth Proportional to 353,106.38, 487,266.11 and 191,960.01

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Solution

The fourth proportional to 353,106.38, 487,266.11 and 191,960.01 is: 264,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,106.38 : 487,266.11 = 191,960.01 : x
  2. Step 2: Convert to fraction form
    353,106.38/487,266.11 = 191,960.01/x
  3. Step 3: Cross multiply
    353,106.38x = 487,266.11 × 191,960.01
  4. Step 4: Simplify right side
    353,106.38x = 93,535,608,624.08
  5. Step 5: Solve for x
    x = 93,535,608,624.08/353,106.38
  6. Step 6: Final answer
    x = 264,893.57

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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.