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Finding the Fourth Proportional to 1,184.75, 1,777.50 and 560.24

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Solution

The fourth proportional to 1,184.75, 1,777.50 and 560.24 is: 840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.75 : 1,777.50 = 560.24 : x
  2. Step 2: Convert to fraction form
    1,184.75/1,777.50 = 560.24/x
  3. Step 3: Cross multiply
    1,184.75x = 1,777.50 × 560.24
  4. Step 4: Simplify right side
    1,184.75x = 995,817.71
  5. Step 5: Solve for x
    x = 995,817.71/1,184.75
  6. Step 6: Final answer
    x = 840.53

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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.