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Finding the Fourth Proportional to 1,486.76, 2,230.42 and 562.59

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Solution

The fourth proportional to 1,486.76, 2,230.42 and 562.59 is: 843.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.76 : 2,230.42 = 562.59 : x
  2. Step 2: Convert to fraction form
    1,486.76/2,230.42 = 562.59/x
  3. Step 3: Cross multiply
    1,486.76x = 2,230.42 × 562.59
  4. Step 4: Simplify right side
    1,486.76x = 1,254,811.99
  5. Step 5: Solve for x
    x = 1,254,811.99/1,486.76
  6. Step 6: Final answer
    x = 843.99

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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.