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Finding the Fourth Proportional to 1,735, 2,600.74 and 624.08

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Solution

The fourth proportional to 1,735, 2,600.74 and 624.08 is: 935.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,735 : 2,600.74 = 624.08 : x
  2. Step 2: Convert to fraction form
    1,735/2,600.74 = 624.08/x
  3. Step 3: Cross multiply
    1,735x = 2,600.74 × 624.08
  4. Step 4: Simplify right side
    1,735x = 1,623,069.82
  5. Step 5: Solve for x
    x = 1,623,069.82/1,735
  6. Step 6: Final answer
    x = 935.49

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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.