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Finding the Fourth Proportional to 353,624.40, 529,853.40 and 303,469.20

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Solution

The fourth proportional to 353,624.40, 529,853.40 and 303,469.20 is: 454,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,624.40 : 529,853.40 = 303,469.20 : x
  2. Step 2: Convert to fraction form
    353,624.40/529,853.40 = 303,469.20/x
  3. Step 3: Cross multiply
    353,624.40x = 529,853.40 × 303,469.20
  4. Step 4: Simplify right side
    353,624.40x = 160,794,187,415.28
  5. Step 5: Solve for x
    x = 160,794,187,415.28/353,624.40
  6. Step 6: Final answer
    x = 454,703.32

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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.