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Finding the Fourth Proportional to 603,715.77, 833,087.40 and 331,777.80

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Solution

The fourth proportional to 603,715.77, 833,087.40 and 331,777.80 is: 457,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,715.77 : 833,087.40 = 331,777.80 : x
  2. Step 2: Convert to fraction form
    603,715.77/833,087.40 = 331,777.80/x
  3. Step 3: Cross multiply
    603,715.77x = 833,087.40 × 331,777.80
  4. Step 4: Simplify right side
    603,715.77x = 276,399,904,779.72
  5. Step 5: Solve for x
    x = 276,399,904,779.72/603,715.77
  6. Step 6: Final answer
    x = 457,831.18

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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.