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Finding the Fourth Proportional to 703.79, 1,052.85 and 593.05

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Solution

The fourth proportional to 703.79, 1,052.85 and 593.05 is: 887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.79 : 1,052.85 = 593.05 : x
  2. Step 2: Convert to fraction form
    703.79/1,052.85 = 593.05/x
  3. Step 3: Cross multiply
    703.79x = 1,052.85 × 593.05
  4. Step 4: Simplify right side
    703.79x = 624,387.43
  5. Step 5: Solve for x
    x = 624,387.43/703.79
  6. Step 6: Final answer
    x = 887.18

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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.