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Finding the Fourth Proportional to 397,262.40, 595,893.60 and 353,716.80

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Solution

The fourth proportional to 397,262.40, 595,893.60 and 353,716.80 is: 530,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,262.40 : 595,893.60 = 353,716.80 : x
  2. Step 2: Convert to fraction form
    397,262.40/595,893.60 = 353,716.80/x
  3. Step 3: Cross multiply
    397,262.40x = 595,893.60 × 353,716.80
  4. Step 4: Simplify right side
    397,262.40x = 210,777,577,332.48
  5. Step 5: Solve for x
    x = 210,777,577,332.48/397,262.40
  6. Step 6: Final answer
    x = 530,575.20

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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.