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Finding the Fourth Proportional to 303,618.07, 455,426.14 and 82,002.07

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Solution

The fourth proportional to 303,618.07, 455,426.14 and 82,002.07 is: 123,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,618.07 : 455,426.14 = 82,002.07 : x
  2. Step 2: Convert to fraction form
    303,618.07/455,426.14 = 82,002.07/x
  3. Step 3: Cross multiply
    303,618.07x = 455,426.14 × 82,002.07
  4. Step 4: Simplify right side
    303,618.07x = 37,345,886,212.11
  5. Step 5: Solve for x
    x = 37,345,886,212.11/303,618.07
  6. Step 6: Final answer
    x = 123,002.84

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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.