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Finding the Fourth Proportional to 1,735.80, 2,603.95 and 565.42

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Solution

The fourth proportional to 1,735.80, 2,603.95 and 565.42 is: 848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735.80 : 2,603.95 = 565.42 : x
  2. Step 2: Convert to fraction form
    1,735.80/2,603.95 = 565.42/x
  3. Step 3: Cross multiply
    1,735.80x = 2,603.95 × 565.42
  4. Step 4: Simplify right side
    1,735.80x = 1,472,335.18
  5. Step 5: Solve for x
    x = 1,472,335.18/1,735.80
  6. Step 6: Final answer
    x = 848.22

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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.