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Finding the Fourth Proportional to 304,833.78, 457,125.53 and 91,527.17

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Solution

The fourth proportional to 304,833.78, 457,125.53 and 91,527.17 is: 137,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,833.78 : 457,125.53 = 91,527.17 : x
  2. Step 2: Convert to fraction form
    304,833.78/457,125.53 = 91,527.17/x
  3. Step 3: Cross multiply
    304,833.78x = 457,125.53 × 91,527.17
  4. Step 4: Simplify right side
    304,833.78x = 41,839,403,352.39
  5. Step 5: Solve for x
    x = 41,839,403,352.39/304,833.78
  6. Step 6: Final answer
    x = 137,253.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.