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Finding the Fourth Proportional to 1,495.67, 2,244.11 and 571.46

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Solution

The fourth proportional to 1,495.67, 2,244.11 and 571.46 is: 857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.67 : 2,244.11 = 571.46 : x
  2. Step 2: Convert to fraction form
    1,495.67/2,244.11 = 571.46/x
  3. Step 3: Cross multiply
    1,495.67x = 2,244.11 × 571.46
  4. Step 4: Simplify right side
    1,495.67x = 1,282,405.02
  5. Step 5: Solve for x
    x = 1,282,405.02/1,495.67
  6. Step 6: Final answer
    x = 857.41

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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.