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Finding the Fourth Proportional to 469.15, 703.74 and 176.63

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Solution

The fourth proportional to 469.15, 703.74 and 176.63 is: 264.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.15 : 703.74 = 176.63 : x
  2. Step 2: Convert to fraction form
    469.15/703.74 = 176.63/x
  3. Step 3: Cross multiply
    469.15x = 703.74 × 176.63
  4. Step 4: Simplify right side
    469.15x = 124,298.08
  5. Step 5: Solve for x
    x = 124,298.08/469.15
  6. Step 6: Final answer
    x = 264.94

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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.