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Finding the Fourth Proportional to 1,178.74, 1,768.38 and 594.01

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Solution

The fourth proportional to 1,178.74, 1,768.38 and 594.01 is: 891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178.74 : 1,768.38 = 594.01 : x
  2. Step 2: Convert to fraction form
    1,178.74/1,768.38 = 594.01/x
  3. Step 3: Cross multiply
    1,178.74x = 1,768.38 × 594.01
  4. Step 4: Simplify right side
    1,178.74x = 1,050,435.40
  5. Step 5: Solve for x
    x = 1,050,435.40/1,178.74
  6. Step 6: Final answer
    x = 891.15

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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.