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Finding the Fourth Proportional to 1,346.50, 1,858.34 and 757.04

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Solution

The fourth proportional to 1,346.50, 1,858.34 and 757.04 is: 1,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.50 : 1,858.34 = 757.04 : x
  2. Step 2: Convert to fraction form
    1,346.50/1,858.34 = 757.04/x
  3. Step 3: Cross multiply
    1,346.50x = 1,858.34 × 757.04
  4. Step 4: Simplify right side
    1,346.50x = 1,406,837.71
  5. Step 5: Solve for x
    x = 1,406,837.71/1,346.50
  6. Step 6: Final answer
    x = 1,044.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.