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Finding the Fourth Proportional to 1,637.98, 2,456.20 and 597.24

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Solution

The fourth proportional to 1,637.98, 2,456.20 and 597.24 is: 895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.98 : 2,456.20 = 597.24 : x
  2. Step 2: Convert to fraction form
    1,637.98/2,456.20 = 597.24/x
  3. Step 3: Cross multiply
    1,637.98x = 2,456.20 × 597.24
  4. Step 4: Simplify right side
    1,637.98x = 1,466,940.89
  5. Step 5: Solve for x
    x = 1,466,940.89/1,637.98
  6. Step 6: Final answer
    x = 895.58

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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.