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Finding the Fourth Proportional to 562,081.33, 842,981.50 and 220,594.11

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Solution

The fourth proportional to 562,081.33, 842,981.50 and 220,594.11 is: 330,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,081.33 : 842,981.50 = 220,594.11 : x
  2. Step 2: Convert to fraction form
    562,081.33/842,981.50 = 220,594.11/x
  3. Step 3: Cross multiply
    562,081.33x = 842,981.50 × 220,594.11
  4. Step 4: Simplify right side
    562,081.33x = 185,956,753,844.83
  5. Step 5: Solve for x
    x = 185,956,753,844.83/562,081.33
  6. Step 6: Final answer
    x = 330,836.03

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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.