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Finding the Fourth Proportional to 1,184.10, 1,776.28 and 362.58

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Solution

The fourth proportional to 1,184.10, 1,776.28 and 362.58 is: 543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.10 : 1,776.28 = 362.58 : x
  2. Step 2: Convert to fraction form
    1,184.10/1,776.28 = 362.58/x
  3. Step 3: Cross multiply
    1,184.10x = 1,776.28 × 362.58
  4. Step 4: Simplify right side
    1,184.10x = 644,043.60
  5. Step 5: Solve for x
    x = 644,043.60/1,184.10
  6. Step 6: Final answer
    x = 543.91

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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.