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Finding the Fourth Proportional to 1,772.24, 2,658.06 and 473.84

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Solution

The fourth proportional to 1,772.24, 2,658.06 and 473.84 is: 710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772.24 : 2,658.06 = 473.84 : x
  2. Step 2: Convert to fraction form
    1,772.24/2,658.06 = 473.84/x
  3. Step 3: Cross multiply
    1,772.24x = 2,658.06 × 473.84
  4. Step 4: Simplify right side
    1,772.24x = 1,259,495.15
  5. Step 5: Solve for x
    x = 1,259,495.15/1,772.24
  6. Step 6: Final answer
    x = 710.68

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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.