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Finding the Fourth Proportional to 575.59, 794.01 and 379.03

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Solution

The fourth proportional to 575.59, 794.01 and 379.03 is: 522.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.59 : 794.01 = 379.03 : x
  2. Step 2: Convert to fraction form
    575.59/794.01 = 379.03/x
  3. Step 3: Cross multiply
    575.59x = 794.01 × 379.03
  4. Step 4: Simplify right side
    575.59x = 300,953.61
  5. Step 5: Solve for x
    x = 300,953.61/575.59
  6. Step 6: Final answer
    x = 522.86

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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.