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Finding the Fourth Proportional to 552,306.34, 762,093.83 and 310,574.50

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Solution

The fourth proportional to 552,306.34, 762,093.83 and 310,574.50 is: 428,542.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,306.34 : 762,093.83 = 310,574.50 : x
  2. Step 2: Convert to fraction form
    552,306.34/762,093.83 = 310,574.50/x
  3. Step 3: Cross multiply
    552,306.34x = 762,093.83 × 310,574.50
  4. Step 4: Simplify right side
    552,306.34x = 236,686,909,076.54
  5. Step 5: Solve for x
    x = 236,686,909,076.54/552,306.34
  6. Step 6: Final answer
    x = 428,542.81

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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.