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Finding the Fourth Proportional to 603,660.89, 833,071.38 and 331,753.91

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Solution

The fourth proportional to 603,660.89, 833,071.38 and 331,753.91 is: 457,831.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,660.89 : 833,071.38 = 331,753.91 : x
  2. Step 2: Convert to fraction form
    603,660.89/833,071.38 = 331,753.91/x
  3. Step 3: Cross multiply
    603,660.89x = 833,071.38 × 331,753.91
  4. Step 4: Simplify right side
    603,660.89x = 276,374,683,458.74
  5. Step 5: Solve for x
    x = 276,374,683,458.74/603,660.89
  6. Step 6: Final answer
    x = 457,831.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.