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Finding the Fourth Proportional to 1,341.37, 2,012.33 and 463.91

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Solution

The fourth proportional to 1,341.37, 2,012.33 and 463.91 is: 695.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.37 : 2,012.33 = 463.91 : x
  2. Step 2: Convert to fraction form
    1,341.37/2,012.33 = 463.91/x
  3. Step 3: Cross multiply
    1,341.37x = 2,012.33 × 463.91
  4. Step 4: Simplify right side
    1,341.37x = 933,527.63
  5. Step 5: Solve for x
    x = 933,527.63/1,341.37
  6. Step 6: Final answer
    x = 695.95

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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.