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Finding the Fourth Proportional to 1,700.75, 2,551.08 and 468.15

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Solution

The fourth proportional to 1,700.75, 2,551.08 and 468.15 is: 702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.75 : 2,551.08 = 468.15 : x
  2. Step 2: Convert to fraction form
    1,700.75/2,551.08 = 468.15/x
  3. Step 3: Cross multiply
    1,700.75x = 2,551.08 × 468.15
  4. Step 4: Simplify right side
    1,700.75x = 1,194,277.66
  5. Step 5: Solve for x
    x = 1,194,277.66/1,700.75
  6. Step 6: Final answer
    x = 702.21

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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.