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Finding the Fourth Proportional to 1,734.75, 2,602.13 and 580.53

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Solution

The fourth proportional to 1,734.75, 2,602.13 and 580.53 is: 870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734.75 : 2,602.13 = 580.53 : x
  2. Step 2: Convert to fraction form
    1,734.75/2,602.13 = 580.53/x
  3. Step 3: Cross multiply
    1,734.75x = 2,602.13 × 580.53
  4. Step 4: Simplify right side
    1,734.75x = 1,510,611.63
  5. Step 5: Solve for x
    x = 1,510,611.63/1,734.75
  6. Step 6: Final answer
    x = 870.80

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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.