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Finding the Fourth Proportional to 1,484.97, 2,225.91 and 607.09

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Solution

The fourth proportional to 1,484.97, 2,225.91 and 607.09 is: 910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.97 : 2,225.91 = 607.09 : x
  2. Step 2: Convert to fraction form
    1,484.97/2,225.91 = 607.09/x
  3. Step 3: Cross multiply
    1,484.97x = 2,225.91 × 607.09
  4. Step 4: Simplify right side
    1,484.97x = 1,351,327.70
  5. Step 5: Solve for x
    x = 1,351,327.70/1,484.97
  6. Step 6: Final answer
    x = 910.00

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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.