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Finding the Fourth Proportional to 463,196.17, 638,703.11 and 301,751.83

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Solution

The fourth proportional to 463,196.17, 638,703.11 and 301,751.83 is: 416,086.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,196.17 : 638,703.11 = 301,751.83 : x
  2. Step 2: Convert to fraction form
    463,196.17/638,703.11 = 301,751.83/x
  3. Step 3: Cross multiply
    463,196.17x = 638,703.11 × 301,751.83
  4. Step 4: Simplify right side
    463,196.17x = 192,729,827,566.92
  5. Step 5: Solve for x
    x = 192,729,827,566.92/463,196.17
  6. Step 6: Final answer
    x = 416,086.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.