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Finding the Fourth Proportional to 1,194.79, 1,792.05 and 373.09

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Solution

The fourth proportional to 1,194.79, 1,792.05 and 373.09 is: 559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194.79 : 1,792.05 = 373.09 : x
  2. Step 2: Convert to fraction form
    1,194.79/1,792.05 = 373.09/x
  3. Step 3: Cross multiply
    1,194.79x = 1,792.05 × 373.09
  4. Step 4: Simplify right side
    1,194.79x = 668,595.93
  5. Step 5: Solve for x
    x = 668,595.93/1,194.79
  6. Step 6: Final answer
    x = 559.59

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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.