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Finding the Fourth Proportional to 304,510.18, 456,754.32 and 79,868.82

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Solution

The fourth proportional to 304,510.18, 456,754.32 and 79,868.82 is: 119,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,510.18 : 456,754.32 = 79,868.82 : x
  2. Step 2: Convert to fraction form
    304,510.18/456,754.32 = 79,868.82/x
  3. Step 3: Cross multiply
    304,510.18x = 456,754.32 × 79,868.82
  4. Step 4: Simplify right side
    304,510.18x = 36,480,428,568.30
  5. Step 5: Solve for x
    x = 36,480,428,568.30/304,510.18
  6. Step 6: Final answer
    x = 119,800.36

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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.