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Finding the Fourth Proportional to 1,141.38, 1,712.37 and 524.58

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Solution

The fourth proportional to 1,141.38, 1,712.37 and 524.58 is: 787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141.38 : 1,712.37 = 524.58 : x
  2. Step 2: Convert to fraction form
    1,141.38/1,712.37 = 524.58/x
  3. Step 3: Cross multiply
    1,141.38x = 1,712.37 × 524.58
  4. Step 4: Simplify right side
    1,141.38x = 898,275.05
  5. Step 5: Solve for x
    x = 898,275.05/1,141.38
  6. Step 6: Final answer
    x = 787.01

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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.