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Finding the Fourth Proportional to 543,991.44, 750,493.08 and 314,506.56

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Solution

The fourth proportional to 543,991.44, 750,493.08 and 314,506.56 is: 433,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,991.44 : 750,493.08 = 314,506.56 : x
  2. Step 2: Convert to fraction form
    543,991.44/750,493.08 = 314,506.56/x
  3. Step 3: Cross multiply
    543,991.44x = 750,493.08 × 314,506.56
  4. Step 4: Simplify right side
    543,991.44x = 236,034,996,894.61
  5. Step 5: Solve for x
    x = 236,034,996,894.61/543,991.44
  6. Step 6: Final answer
    x = 433,894.69

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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.