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Finding the Fourth Proportional to 325,583.94, 487,588.53 and 281,494.02

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Solution

The fourth proportional to 325,583.94, 487,588.53 and 281,494.02 is: 421,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,583.94 : 487,588.53 = 281,494.02 : x
  2. Step 2: Convert to fraction form
    325,583.94/487,588.53 = 281,494.02/x
  3. Step 3: Cross multiply
    325,583.94x = 487,588.53 × 281,494.02
  4. Step 4: Simplify right side
    325,583.94x = 137,253,255,415.59
  5. Step 5: Solve for x
    x = 137,253,255,415.59/325,583.94
  6. Step 6: Final answer
    x = 421,560.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.