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Finding the Fourth Proportional to 1,529.70, 2,293.03 and 604.95

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Solution

The fourth proportional to 1,529.70, 2,293.03 and 604.95 is: 906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.70 : 2,293.03 = 604.95 : x
  2. Step 2: Convert to fraction form
    1,529.70/2,293.03 = 604.95/x
  3. Step 3: Cross multiply
    1,529.70x = 2,293.03 × 604.95
  4. Step 4: Simplify right side
    1,529.70x = 1,387,168.50
  5. Step 5: Solve for x
    x = 1,387,168.50/1,529.70
  6. Step 6: Final answer
    x = 906.82

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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.