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Finding the Fourth Proportional to 1,206.26, 1,810.05 and 934.10

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Solution

The fourth proportional to 1,206.26, 1,810.05 and 934.10 is: 1,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206.26 : 1,810.05 = 934.10 : x
  2. Step 2: Convert to fraction form
    1,206.26/1,810.05 = 934.10/x
  3. Step 3: Cross multiply
    1,206.26x = 1,810.05 × 934.10
  4. Step 4: Simplify right side
    1,206.26x = 1,690,767.71
  5. Step 5: Solve for x
    x = 1,690,767.71/1,206.26
  6. Step 6: Final answer
    x = 1,401.66

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.