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Finding the Fourth Proportional to 471,003.40, 706,505.10 and 365,897.80

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Solution

The fourth proportional to 471,003.40, 706,505.10 and 365,897.80 is: 548,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,003.40 : 706,505.10 = 365,897.80 : x
  2. Step 2: Convert to fraction form
    471,003.40/706,505.10 = 365,897.80/x
  3. Step 3: Cross multiply
    471,003.40x = 706,505.10 × 365,897.80
  4. Step 4: Simplify right side
    471,003.40x = 258,508,661,778.78
  5. Step 5: Solve for x
    x = 258,508,661,778.78/471,003.40
  6. Step 6: Final answer
    x = 548,846.70

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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.