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Finding the Fourth Proportional to 469.12, 703.93 and 176.82

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Solution

The fourth proportional to 469.12, 703.93 and 176.82 is: 265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.12 : 703.93 = 176.82 : x
  2. Step 2: Convert to fraction form
    469.12/703.93 = 176.82/x
  3. Step 3: Cross multiply
    469.12x = 703.93 × 176.82
  4. Step 4: Simplify right side
    469.12x = 124,464.50
  5. Step 5: Solve for x
    x = 124,464.50/469.12
  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.