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Finding the Fourth Proportional to 562,989.61, 844,309.78 and 203,113.68

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Solution

The fourth proportional to 562,989.61, 844,309.78 and 203,113.68 is: 304,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,989.61 : 844,309.78 = 203,113.68 : x
  2. Step 2: Convert to fraction form
    562,989.61/844,309.78 = 203,113.68/x
  3. Step 3: Cross multiply
    562,989.61x = 844,309.78 × 203,113.68
  4. Step 4: Simplify right side
    562,989.61x = 171,490,863,563.52
  5. Step 5: Solve for x
    x = 171,490,863,563.52/562,989.61
  6. Step 6: Final answer
    x = 304,607.51

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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.