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Finding the Fourth Proportional to 1,117.35, 1,674.03 and 596.25

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Solution

The fourth proportional to 1,117.35, 1,674.03 and 596.25 is: 893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.35 : 1,674.03 = 596.25 : x
  2. Step 2: Convert to fraction form
    1,117.35/1,674.03 = 596.25/x
  3. Step 3: Cross multiply
    1,117.35x = 1,674.03 × 596.25
  4. Step 4: Simplify right side
    1,117.35x = 998,140.39
  5. Step 5: Solve for x
    x = 998,140.39/1,117.35
  6. Step 6: Final answer
    x = 893.31

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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.