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Finding the Fourth Proportional to 1,529.05, 2,292.90 and 604.30

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Solution

The fourth proportional to 1,529.05, 2,292.90 and 604.30 is: 906.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.05 : 2,292.90 = 604.30 : x
  2. Step 2: Convert to fraction form
    1,529.05/2,292.90 = 604.30/x
  3. Step 3: Cross multiply
    1,529.05x = 2,292.90 × 604.30
  4. Step 4: Simplify right side
    1,529.05x = 1,385,599.47
  5. Step 5: Solve for x
    x = 1,385,599.47/1,529.05
  6. Step 6: Final answer
    x = 906.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.