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Finding the Fourth Proportional to 1,473.99, 2,210.08 and 694.15

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Solution

The fourth proportional to 1,473.99, 2,210.08 and 694.15 is: 1,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.99 : 2,210.08 = 694.15 : x
  2. Step 2: Convert to fraction form
    1,473.99/2,210.08 = 694.15/x
  3. Step 3: Cross multiply
    1,473.99x = 2,210.08 × 694.15
  4. Step 4: Simplify right side
    1,473.99x = 1,534,127.03
  5. Step 5: Solve for x
    x = 1,534,127.03/1,473.99
  6. Step 6: Final answer
    x = 1,040.80

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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.