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Finding the Fourth Proportional to 441,352.70, 662,029.05 and 145,864.70

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Solution

The fourth proportional to 441,352.70, 662,029.05 and 145,864.70 is: 218,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,352.70 : 662,029.05 = 145,864.70 : x
  2. Step 2: Convert to fraction form
    441,352.70/662,029.05 = 145,864.70/x
  3. Step 3: Cross multiply
    441,352.70x = 662,029.05 × 145,864.70
  4. Step 4: Simplify right side
    441,352.70x = 96,566,668,769.54
  5. Step 5: Solve for x
    x = 96,566,668,769.54/441,352.70
  6. Step 6: Final answer
    x = 218,797.05

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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.