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Finding the Fourth Proportional to 1,702.60, 2,554.30 and 607.08

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Solution

The fourth proportional to 1,702.60, 2,554.30 and 607.08 is: 910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.60 : 2,554.30 = 607.08 : x
  2. Step 2: Convert to fraction form
    1,702.60/2,554.30 = 607.08/x
  3. Step 3: Cross multiply
    1,702.60x = 2,554.30 × 607.08
  4. Step 4: Simplify right side
    1,702.60x = 1,550,664.44
  5. Step 5: Solve for x
    x = 1,550,664.44/1,702.60
  6. Step 6: Final answer
    x = 910.76

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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.