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Finding the Fourth Proportional to 1,177.72, 1,767.39 and 601.00

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Solution

The fourth proportional to 1,177.72, 1,767.39 and 601.00 is: 901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.72 : 1,767.39 = 601.00 : x
  2. Step 2: Convert to fraction form
    1,177.72/1,767.39 = 601.00/x
  3. Step 3: Cross multiply
    1,177.72x = 1,767.39 × 601.00
  4. Step 4: Simplify right side
    1,177.72x = 1,062,194.72
  5. Step 5: Solve for x
    x = 1,062,194.72/1,177.72
  6. Step 6: Final answer
    x = 901.91

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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.