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Finding the Fourth Proportional to 304,509.68, 456,753.57 and 79,868.32

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Solution

The fourth proportional to 304,509.68, 456,753.57 and 79,868.32 is: 119,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,509.68 : 456,753.57 = 79,868.32 : x
  2. Step 2: Convert to fraction form
    304,509.68/456,753.57 = 79,868.32/x
  3. Step 3: Cross multiply
    304,509.68x = 456,753.57 × 79,868.32
  4. Step 4: Simplify right side
    304,509.68x = 36,480,140,289.90
  5. Step 5: Solve for x
    x = 36,480,140,289.90/304,509.68
  6. Step 6: Final answer
    x = 119,799.61

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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.