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Finding the Fourth Proportional to 1,160.35, 1,740.52 and 294.66

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Solution

The fourth proportional to 1,160.35, 1,740.52 and 294.66 is: 441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160.35 : 1,740.52 = 294.66 : x
  2. Step 2: Convert to fraction form
    1,160.35/1,740.52 = 294.66/x
  3. Step 3: Cross multiply
    1,160.35x = 1,740.52 × 294.66
  4. Step 4: Simplify right side
    1,160.35x = 512,860.89
  5. Step 5: Solve for x
    x = 512,860.89/1,160.35
  6. Step 6: Final answer
    x = 441.99

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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.