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Finding the Fourth Proportional to 353,527.14, 487,877.82 and 192,392.64

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Solution

The fourth proportional to 353,527.14, 487,877.82 and 192,392.64 is: 265,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,527.14 : 487,877.82 = 192,392.64 : x
  2. Step 2: Convert to fraction form
    353,527.14/487,877.82 = 192,392.64/x
  3. Step 3: Cross multiply
    353,527.14x = 487,877.82 × 192,392.64
  4. Step 4: Simplify right side
    353,527.14x = 93,864,101,787.24
  5. Step 5: Solve for x
    x = 93,864,101,787.24/353,527.14
  6. Step 6: Final answer
    x = 265,507.48

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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.