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Finding the Fourth Proportional to 1,156.84, 1,734.72 and 334.92

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Solution

The fourth proportional to 1,156.84, 1,734.72 and 334.92 is: 502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.84 : 1,734.72 = 334.92 : x
  2. Step 2: Convert to fraction form
    1,156.84/1,734.72 = 334.92/x
  3. Step 3: Cross multiply
    1,156.84x = 1,734.72 × 334.92
  4. Step 4: Simplify right side
    1,156.84x = 580,989.80
  5. Step 5: Solve for x
    x = 580,989.80/1,156.84
  6. Step 6: Final answer
    x = 502.22

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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.