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Finding the Fourth Proportional to 1,466.93, 2,200.62 and 479.42

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Solution

The fourth proportional to 1,466.93, 2,200.62 and 479.42 is: 719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,466.93 : 2,200.62 = 479.42 : x
  2. Step 2: Convert to fraction form
    1,466.93/2,200.62 = 479.42/x
  3. Step 3: Cross multiply
    1,466.93x = 2,200.62 × 479.42
  4. Step 4: Simplify right side
    1,466.93x = 1,055,010.24
  5. Step 5: Solve for x
    x = 1,055,010.24/1,466.93
  6. Step 6: Final answer
    x = 719.20

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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.