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Finding the Fourth Proportional to 503,686.68, 751,844.88 and 443,901.39

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Solution

The fourth proportional to 503,686.68, 751,844.88 and 443,901.39 is: 662,604.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,686.68 : 751,844.88 = 443,901.39 : x
  2. Step 2: Convert to fraction form
    503,686.68/751,844.88 = 443,901.39/x
  3. Step 3: Cross multiply
    503,686.68x = 751,844.88 × 443,901.39
  4. Step 4: Simplify right side
    503,686.68x = 333,744,987,296.38
  5. Step 5: Solve for x
    x = 333,744,987,296.38/503,686.68
  6. Step 6: Final answer
    x = 662,604.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.