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Finding the Fourth Proportional to 603,699.01, 833,087.27 and 331,766.58

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Solution

The fourth proportional to 603,699.01, 833,087.27 and 331,766.58 is: 457,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,699.01 : 833,087.27 = 331,766.58 : x
  2. Step 2: Convert to fraction form
    603,699.01/833,087.27 = 331,766.58/x
  3. Step 3: Cross multiply
    603,699.01x = 833,087.27 × 331,766.58
  4. Step 4: Simplify right side
    603,699.01x = 276,390,510,400.66
  5. Step 5: Solve for x
    x = 276,390,510,400.66/603,699.01
  6. Step 6: Final answer
    x = 457,828.33

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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.