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Finding the Fourth Proportional to 353,066.70, 487,241.52 and 191,932.56

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Solution

The fourth proportional to 353,066.70, 487,241.52 and 191,932.56 is: 264,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,066.70 : 487,241.52 = 191,932.56 : x
  2. Step 2: Convert to fraction form
    353,066.70/487,241.52 = 191,932.56/x
  3. Step 3: Cross multiply
    353,066.70x = 487,241.52 × 191,932.56
  4. Step 4: Simplify right side
    353,066.70x = 93,517,512,271.89
  5. Step 5: Solve for x
    x = 93,517,512,271.89/353,066.70
  6. Step 6: Final answer
    x = 264,872.08

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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.