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Finding the Fourth Proportional to 469.11, 702.35 and 262.93

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Solution

The fourth proportional to 469.11, 702.35 and 262.93 is: 393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.11 : 702.35 = 262.93 : x
  2. Step 2: Convert to fraction form
    469.11/702.35 = 262.93/x
  3. Step 3: Cross multiply
    469.11x = 702.35 × 262.93
  4. Step 4: Simplify right side
    469.11x = 184,668.89
  5. Step 5: Solve for x
    x = 184,668.89/469.11
  6. Step 6: Final answer
    x = 393.66

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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.