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Finding the Fourth Proportional to 1,460.67, 2,191.31 and 473.53

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Solution

The fourth proportional to 1,460.67, 2,191.31 and 473.53 is: 710.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.67 : 2,191.31 = 473.53 : x
  2. Step 2: Convert to fraction form
    1,460.67/2,191.31 = 473.53/x
  3. Step 3: Cross multiply
    1,460.67x = 2,191.31 × 473.53
  4. Step 4: Simplify right side
    1,460.67x = 1,037,651.02
  5. Step 5: Solve for x
    x = 1,037,651.02/1,460.67
  6. Step 6: Final answer
    x = 710.39

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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.