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Finding the Fourth Proportional to 1,182.50, 1,774.02 and 360.77

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Solution

The fourth proportional to 1,182.50, 1,774.02 and 360.77 is: 541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.50 : 1,774.02 = 360.77 : x
  2. Step 2: Convert to fraction form
    1,182.50/1,774.02 = 360.77/x
  3. Step 3: Cross multiply
    1,182.50x = 1,774.02 × 360.77
  4. Step 4: Simplify right side
    1,182.50x = 640,009.93
  5. Step 5: Solve for x
    x = 640,009.93/1,182.50
  6. Step 6: Final answer
    x = 541.24

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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.