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Finding the Fourth Proportional to 2,335.89, 3,503.79 and 604.47

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Solution

The fourth proportional to 2,335.89, 3,503.79 and 604.47 is: 906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.89 : 3,503.79 = 604.47 : x
  2. Step 2: Convert to fraction form
    2,335.89/3,503.79 = 604.47/x
  3. Step 3: Cross multiply
    2,335.89x = 3,503.79 × 604.47
  4. Step 4: Simplify right side
    2,335.89x = 2,117,935.94
  5. Step 5: Solve for x
    x = 2,117,935.94/2,335.89
  6. Step 6: Final answer
    x = 906.69

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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.