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Finding the Fourth Proportional to 935.86, 1,291.33 and 600.06

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Solution

The fourth proportional to 935.86, 1,291.33 and 600.06 is: 827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.86 : 1,291.33 = 600.06 : x
  2. Step 2: Convert to fraction form
    935.86/1,291.33 = 600.06/x
  3. Step 3: Cross multiply
    935.86x = 1,291.33 × 600.06
  4. Step 4: Simplify right side
    935.86x = 774,875.50
  5. Step 5: Solve for x
    x = 774,875.50/935.86
  6. Step 6: Final answer
    x = 827.98

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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.