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Finding the Fourth Proportional to 1,741.00, 2,611.45 and 424.76

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Solution

The fourth proportional to 1,741.00, 2,611.45 and 424.76 is: 637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.00 : 2,611.45 = 424.76 : x
  2. Step 2: Convert to fraction form
    1,741.00/2,611.45 = 424.76/x
  3. Step 3: Cross multiply
    1,741.00x = 2,611.45 × 424.76
  4. Step 4: Simplify right side
    1,741.00x = 1,109,237.30
  5. Step 5: Solve for x
    x = 1,109,237.30/1,741.00
  6. Step 6: Final answer
    x = 637.13

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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.