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Finding the Fourth Proportional to 603,364.11, 832,647.83 and 331,437.53

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Solution

The fourth proportional to 603,364.11, 832,647.83 and 331,437.53 is: 457,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,364.11 : 832,647.83 = 331,437.53 : x
  2. Step 2: Convert to fraction form
    603,364.11/832,647.83 = 331,437.53/x
  3. Step 3: Cross multiply
    603,364.11x = 832,647.83 × 331,437.53
  4. Step 4: Simplify right side
    603,364.11x = 275,970,734,314.63
  5. Step 5: Solve for x
    x = 275,970,734,314.63/603,364.11
  6. Step 6: Final answer
    x = 457,386.73

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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.