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Finding the Fourth Proportional to 1,341.54, 2,012.22 and 463.86

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Solution

The fourth proportional to 1,341.54, 2,012.22 and 463.86 is: 695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.54 : 2,012.22 = 463.86 : x
  2. Step 2: Convert to fraction form
    1,341.54/2,012.22 = 463.86/x
  3. Step 3: Cross multiply
    1,341.54x = 2,012.22 × 463.86
  4. Step 4: Simplify right side
    1,341.54x = 933,388.37
  5. Step 5: Solve for x
    x = 933,388.37/1,341.54
  6. Step 6: Final answer
    x = 695.76

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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.