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Finding the Fourth Proportional to 1,184.32, 1,776.41 and 362.53

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Solution

The fourth proportional to 1,184.32, 1,776.41 and 362.53 is: 543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.32 : 1,776.41 = 362.53 : x
  2. Step 2: Convert to fraction form
    1,184.32/1,776.41 = 362.53/x
  3. Step 3: Cross multiply
    1,184.32x = 1,776.41 × 362.53
  4. Step 4: Simplify right side
    1,184.32x = 643,991.22
  5. Step 5: Solve for x
    x = 643,991.22/1,184.32
  6. Step 6: Final answer
    x = 543.77

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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.