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Finding the Fourth Proportional to 1,651.67, 2,477.45 and 556.01

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Solution

The fourth proportional to 1,651.67, 2,477.45 and 556.01 is: 833.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.67 : 2,477.45 = 556.01 : x
  2. Step 2: Convert to fraction form
    1,651.67/2,477.45 = 556.01/x
  3. Step 3: Cross multiply
    1,651.67x = 2,477.45 × 556.01
  4. Step 4: Simplify right side
    1,651.67x = 1,377,471.81
  5. Step 5: Solve for x
    x = 1,377,471.81/1,651.67
  6. Step 6: Final answer
    x = 833.99

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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.