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Finding the Fourth Proportional to 562,081.17, 842,981.30 and 220,593.95

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Solution

The fourth proportional to 562,081.17, 842,981.30 and 220,593.95 is: 330,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,081.17 : 842,981.30 = 220,593.95 : x
  2. Step 2: Convert to fraction form
    562,081.17/842,981.30 = 220,593.95/x
  3. Step 3: Cross multiply
    562,081.17x = 842,981.30 × 220,593.95
  4. Step 4: Simplify right side
    562,081.17x = 185,956,574,743.14
  5. Step 5: Solve for x
    x = 185,956,574,743.14/562,081.17
  6. Step 6: Final answer
    x = 330,835.80

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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.