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Finding the Fourth Proportional to 1,495.66, 2,243.85 and 469.66

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Solution

The fourth proportional to 1,495.66, 2,243.85 and 469.66 is: 704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.66 : 2,243.85 = 469.66 : x
  2. Step 2: Convert to fraction form
    1,495.66/2,243.85 = 469.66/x
  3. Step 3: Cross multiply
    1,495.66x = 2,243.85 × 469.66
  4. Step 4: Simplify right side
    1,495.66x = 1,053,839.81
  5. Step 5: Solve for x
    x = 1,053,839.81/1,495.66
  6. Step 6: Final answer
    x = 704.60

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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.