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Finding the Fourth Proportional to 1,253.73, 1,881.20 and 604.52

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Solution

The fourth proportional to 1,253.73, 1,881.20 and 604.52 is: 907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253.73 : 1,881.20 = 604.52 : x
  2. Step 2: Convert to fraction form
    1,253.73/1,881.20 = 604.52/x
  3. Step 3: Cross multiply
    1,253.73x = 1,881.20 × 604.52
  4. Step 4: Simplify right side
    1,253.73x = 1,137,223.02
  5. Step 5: Solve for x
    x = 1,137,223.02/1,253.73
  6. Step 6: Final answer
    x = 907.07

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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.