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Finding the Fourth Proportional to 304,571.53, 456,961.08 and 91,344.61

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Solution

The fourth proportional to 304,571.53, 456,961.08 and 91,344.61 is: 137,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,571.53 : 456,961.08 = 91,344.61 : x
  2. Step 2: Convert to fraction form
    304,571.53/456,961.08 = 91,344.61/x
  3. Step 3: Cross multiply
    304,571.53x = 456,961.08 × 91,344.61
  4. Step 4: Simplify right side
    304,571.53x = 41,740,931,637.78
  5. Step 5: Solve for x
    x = 41,740,931,637.78/304,571.53
  6. Step 6: Final answer
    x = 137,048.04

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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.