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Finding the Fourth Proportional to 1,702.28, 2,552.94 and 606.05

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Solution

The fourth proportional to 1,702.28, 2,552.94 and 606.05 is: 908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702.28 : 2,552.94 = 606.05 : x
  2. Step 2: Convert to fraction form
    1,702.28/2,552.94 = 606.05/x
  3. Step 3: Cross multiply
    1,702.28x = 2,552.94 × 606.05
  4. Step 4: Simplify right side
    1,702.28x = 1,547,209.29
  5. Step 5: Solve for x
    x = 1,547,209.29/1,702.28
  6. Step 6: Final answer
    x = 908.90

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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.