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Finding the Fourth Proportional to 543,631.86, 750,144.00 and 301,881.49

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Solution

The fourth proportional to 543,631.86, 750,144.00 and 301,881.49 is: 416,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,631.86 : 750,144.00 = 301,881.49 : x
  2. Step 2: Convert to fraction form
    543,631.86/750,144.00 = 301,881.49/x
  3. Step 3: Cross multiply
    543,631.86x = 750,144.00 × 301,881.49
  4. Step 4: Simplify right side
    543,631.86x = 226,454,587,691.26
  5. Step 5: Solve for x
    x = 226,454,587,691.26/543,631.86
  6. Step 6: Final answer
    x = 416,558.71

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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.