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Finding the Fourth Proportional to 471,868.40, 706,247.40 and 366,114.80

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Solution

The fourth proportional to 471,868.40, 706,247.40 and 366,114.80 is: 547,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,868.40 : 706,247.40 = 366,114.80 : x
  2. Step 2: Convert to fraction form
    471,868.40/706,247.40 = 366,114.80/x
  3. Step 3: Cross multiply
    471,868.40x = 706,247.40 × 366,114.80
  4. Step 4: Simplify right side
    471,868.40x = 258,567,625,601.52
  5. Step 5: Solve for x
    x = 258,567,625,601.52/471,868.40
  6. Step 6: Final answer
    x = 547,965.55

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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.