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Finding the Fourth Proportional to 1,477.01, 2,216.02 and 745.99

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Solution

The fourth proportional to 1,477.01, 2,216.02 and 745.99 is: 1,119.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.01 : 2,216.02 = 745.99 : x
  2. Step 2: Convert to fraction form
    1,477.01/2,216.02 = 745.99/x
  3. Step 3: Cross multiply
    1,477.01x = 2,216.02 × 745.99
  4. Step 4: Simplify right side
    1,477.01x = 1,653,128.76
  5. Step 5: Solve for x
    x = 1,653,128.76/1,477.01
  6. Step 6: Final answer
    x = 1,119.24

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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.