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Finding the Fourth Proportional to 360,920.98, 541,379.04 and 282,101.50

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Solution

The fourth proportional to 360,920.98, 541,379.04 and 282,101.50 is: 423,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,920.98 : 541,379.04 = 282,101.50 : x
  2. Step 2: Convert to fraction form
    360,920.98/541,379.04 = 282,101.50/x
  3. Step 3: Cross multiply
    360,920.98x = 541,379.04 × 282,101.50
  4. Step 4: Simplify right side
    360,920.98x = 152,723,839,252.56
  5. Step 5: Solve for x
    x = 152,723,839,252.56/360,920.98
  6. Step 6: Final answer
    x = 423,150.35

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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.