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Finding the Fourth Proportional to 1,355.94, 2,034.31 and 466.70

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Solution

The fourth proportional to 1,355.94, 2,034.31 and 466.70 is: 700.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.94 : 2,034.31 = 466.70 : x
  2. Step 2: Convert to fraction form
    1,355.94/2,034.31 = 466.70/x
  3. Step 3: Cross multiply
    1,355.94x = 2,034.31 × 466.70
  4. Step 4: Simplify right side
    1,355.94x = 949,402.31
  5. Step 5: Solve for x
    x = 949,402.31/1,355.94
  6. Step 6: Final answer
    x = 700.18

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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.