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Finding the Fourth Proportional to 469.42, 703.92 and 176.93

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Solution

The fourth proportional to 469.42, 703.92 and 176.93 is: 265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.42 : 703.92 = 176.93 : x
  2. Step 2: Convert to fraction form
    469.42/703.92 = 176.93/x
  3. Step 3: Cross multiply
    469.42x = 703.92 × 176.93
  4. Step 4: Simplify right side
    469.42x = 124,544.57
  5. Step 5: Solve for x
    x = 124,544.57/469.42
  6. Step 6: Final answer
    x = 265.32

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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.