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Finding the Fourth Proportional to 1,184.66, 1,775.55 and 534.74

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Solution

The fourth proportional to 1,184.66, 1,775.55 and 534.74 is: 801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.66 : 1,775.55 = 534.74 : x
  2. Step 2: Convert to fraction form
    1,184.66/1,775.55 = 534.74/x
  3. Step 3: Cross multiply
    1,184.66x = 1,775.55 × 534.74
  4. Step 4: Simplify right side
    1,184.66x = 949,457.61
  5. Step 5: Solve for x
    x = 949,457.61/1,184.66
  6. Step 6: Final answer
    x = 801.46

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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.