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Finding the Fourth Proportional to 695.02, 1,036.67 and 591.14

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Solution

The fourth proportional to 695.02, 1,036.67 and 591.14 is: 881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.02 : 1,036.67 = 591.14 : x
  2. Step 2: Convert to fraction form
    695.02/1,036.67 = 591.14/x
  3. Step 3: Cross multiply
    695.02x = 1,036.67 × 591.14
  4. Step 4: Simplify right side
    695.02x = 612,818.81
  5. Step 5: Solve for x
    x = 612,818.81/695.02
  6. Step 6: Final answer
    x = 881.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.