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Finding the Fourth Proportional to 455,233.59, 682,985.72 and 202,479.17

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Solution

The fourth proportional to 455,233.59, 682,985.72 and 202,479.17 is: 303,778.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,233.59 : 682,985.72 = 202,479.17 : x
  2. Step 2: Convert to fraction form
    455,233.59/682,985.72 = 202,479.17/x
  3. Step 3: Cross multiply
    455,233.59x = 682,985.72 × 202,479.17
  4. Step 4: Simplify right side
    455,233.59x = 138,290,378,798.72
  5. Step 5: Solve for x
    x = 138,290,378,798.72/455,233.59
  6. Step 6: Final answer
    x = 303,778.94

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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.