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Finding the Fourth Proportional to 1,484.38, 2,224.61 and 559.00

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Solution

The fourth proportional to 1,484.38, 2,224.61 and 559.00 is: 837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.38 : 2,224.61 = 559.00 : x
  2. Step 2: Convert to fraction form
    1,484.38/2,224.61 = 559.00/x
  3. Step 3: Cross multiply
    1,484.38x = 2,224.61 × 559.00
  4. Step 4: Simplify right side
    1,484.38x = 1,243,562.22
  5. Step 5: Solve for x
    x = 1,243,562.22/1,484.38
  6. Step 6: Final answer
    x = 837.77

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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.