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Finding the Fourth Proportional to 1,194.85, 1,792.48 and 373.21

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Solution

The fourth proportional to 1,194.85, 1,792.48 and 373.21 is: 559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.85 : 1,792.48 = 373.21 : x
  2. Step 2: Convert to fraction form
    1,194.85/1,792.48 = 373.21/x
  3. Step 3: Cross multiply
    1,194.85x = 1,792.48 × 373.21
  4. Step 4: Simplify right side
    1,194.85x = 668,966.75
  5. Step 5: Solve for x
    x = 668,966.75/1,194.85
  6. Step 6: Final answer
    x = 559.87

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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.