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Finding the Fourth Proportional to 304,570.53, 456,959.58 and 91,343.61

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Solution

The fourth proportional to 304,570.53, 456,959.58 and 91,343.61 is: 137,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,570.53 : 456,959.58 = 91,343.61 : x
  2. Step 2: Convert to fraction form
    304,570.53/456,959.58 = 91,343.61/x
  3. Step 3: Cross multiply
    304,570.53x = 456,959.58 × 91,343.61
  4. Step 4: Simplify right side
    304,570.53x = 41,740,337,661.28
  5. Step 5: Solve for x
    x = 41,740,337,661.28/304,570.53
  6. Step 6: Final answer
    x = 137,046.54

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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.