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Finding the Fourth Proportional to 1,184.19, 1,775.44 and 525.71

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Solution

The fourth proportional to 1,184.19, 1,775.44 and 525.71 is: 788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.19 : 1,775.44 = 525.71 : x
  2. Step 2: Convert to fraction form
    1,184.19/1,775.44 = 525.71/x
  3. Step 3: Cross multiply
    1,184.19x = 1,775.44 × 525.71
  4. Step 4: Simplify right side
    1,184.19x = 933,366.56
  5. Step 5: Solve for x
    x = 933,366.56/1,184.19
  6. Step 6: Final answer
    x = 788.19

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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.