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Finding the Fourth Proportional to 397,235.60, 595,853.40 and 366,909.20

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Solution

The fourth proportional to 397,235.60, 595,853.40 and 366,909.20 is: 550,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,235.60 : 595,853.40 = 366,909.20 : x
  2. Step 2: Convert to fraction form
    397,235.60/595,853.40 = 366,909.20/x
  3. Step 3: Cross multiply
    397,235.60x = 595,853.40 × 366,909.20
  4. Step 4: Simplify right side
    397,235.60x = 218,624,094,311.28
  5. Step 5: Solve for x
    x = 218,624,094,311.28/397,235.60
  6. Step 6: Final answer
    x = 550,363.80

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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.