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Finding the Fourth Proportional to 1,066.95, 1,600.84 and 373.70

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Solution

The fourth proportional to 1,066.95, 1,600.84 and 373.70 is: 560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066.95 : 1,600.84 = 373.70 : x
  2. Step 2: Convert to fraction form
    1,066.95/1,600.84 = 373.70/x
  3. Step 3: Cross multiply
    1,066.95x = 1,600.84 × 373.70
  4. Step 4: Simplify right side
    1,066.95x = 598,230.84
  5. Step 5: Solve for x
    x = 598,230.84/1,066.95
  6. Step 6: Final answer
    x = 560.69

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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.