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Finding the Fourth Proportional to 603,169.47, 832,382.55 and 331,261.83

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Solution

The fourth proportional to 603,169.47, 832,382.55 and 331,261.83 is: 457,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,169.47 : 832,382.55 = 331,261.83 : x
  2. Step 2: Convert to fraction form
    603,169.47/832,382.55 = 331,261.83/x
  3. Step 3: Cross multiply
    603,169.47x = 832,382.55 × 331,261.83
  4. Step 4: Simplify right side
    603,169.47x = 275,736,566,773.07
  5. Step 5: Solve for x
    x = 275,736,566,773.07/603,169.47
  6. Step 6: Final answer
    x = 457,146.09

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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.