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Finding the Fourth Proportional to 543,661.12, 750,242.82 and 301,934.44

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Solution

The fourth proportional to 543,661.12, 750,242.82 and 301,934.44 is: 416,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,661.12 : 750,242.82 = 301,934.44 : x
  2. Step 2: Convert to fraction form
    543,661.12/750,242.82 = 301,934.44/x
  3. Step 3: Cross multiply
    543,661.12x = 750,242.82 × 301,934.44
  4. Step 4: Simplify right side
    543,661.12x = 226,524,145,720.72
  5. Step 5: Solve for x
    x = 226,524,145,720.72/543,661.12
  6. Step 6: Final answer
    x = 416,664.24

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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.