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Finding the Fourth Proportional to 1,173.30, 1,759.11 and 595.74

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Solution

The fourth proportional to 1,173.30, 1,759.11 and 595.74 is: 893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.30 : 1,759.11 = 595.74 : x
  2. Step 2: Convert to fraction form
    1,173.30/1,759.11 = 595.74/x
  3. Step 3: Cross multiply
    1,173.30x = 1,759.11 × 595.74
  4. Step 4: Simplify right side
    1,173.30x = 1,047,972.19
  5. Step 5: Solve for x
    x = 1,047,972.19/1,173.30
  6. Step 6: Final answer
    x = 893.18

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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.