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Finding the Fourth Proportional to 543,903.39, 815,574.96 and 244,126.98

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Solution

The fourth proportional to 543,903.39, 815,574.96 and 244,126.98 is: 366,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,903.39 : 815,574.96 = 244,126.98 : x
  2. Step 2: Convert to fraction form
    543,903.39/815,574.96 = 244,126.98/x
  3. Step 3: Cross multiply
    543,903.39x = 815,574.96 × 244,126.98
  4. Step 4: Simplify right side
    543,903.39x = 199,103,851,948.42
  5. Step 5: Solve for x
    x = 199,103,851,948.42/543,903.39
  6. Step 6: Final answer
    x = 366,064.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.