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Finding the Fourth Proportional to 603,728.19, 833,127.98 and 331,795.98

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Solution

The fourth proportional to 603,728.19, 833,127.98 and 331,795.98 is: 457,869.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,728.19 : 833,127.98 = 331,795.98 : x
  2. Step 2: Convert to fraction form
    603,728.19/833,127.98 = 331,795.98/x
  3. Step 3: Cross multiply
    603,728.19x = 833,127.98 × 331,795.98
  4. Step 4: Simplify right side
    603,728.19x = 276,428,512,930.54
  5. Step 5: Solve for x
    x = 276,428,512,930.54/603,728.19
  6. Step 6: Final answer
    x = 457,869.15

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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.