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Finding the Fourth Proportional to 1,670.41, 2,505.75 and 500.33

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Solution

The fourth proportional to 1,670.41, 2,505.75 and 500.33 is: 750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.41 : 2,505.75 = 500.33 : x
  2. Step 2: Convert to fraction form
    1,670.41/2,505.75 = 500.33/x
  3. Step 3: Cross multiply
    1,670.41x = 2,505.75 × 500.33
  4. Step 4: Simplify right side
    1,670.41x = 1,253,695.01
  5. Step 5: Solve for x
    x = 1,253,695.01/1,670.41
  6. Step 6: Final answer
    x = 750.53

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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.