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Finding the Fourth Proportional to 1,156.59, 1,734.57 and 376.32

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Solution

The fourth proportional to 1,156.59, 1,734.57 and 376.32 is: 564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.59 : 1,734.57 = 376.32 : x
  2. Step 2: Convert to fraction form
    1,156.59/1,734.57 = 376.32/x
  3. Step 3: Cross multiply
    1,156.59x = 1,734.57 × 376.32
  4. Step 4: Simplify right side
    1,156.59x = 652,753.38
  5. Step 5: Solve for x
    x = 652,753.38/1,156.59
  6. Step 6: Final answer
    x = 564.38

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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.