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Finding the Fourth Proportional to 590,203.47, 885,585.29 and 305,840.86

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Solution

The fourth proportional to 590,203.47, 885,585.29 and 305,840.86 is: 458,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,203.47 : 885,585.29 = 305,840.86 : x
  2. Step 2: Convert to fraction form
    590,203.47/885,585.29 = 305,840.86/x
  3. Step 3: Cross multiply
    590,203.47x = 885,585.29 × 305,840.86
  4. Step 4: Simplify right side
    590,203.47x = 270,848,166,696.95
  5. Step 5: Solve for x
    x = 270,848,166,696.95/590,203.47
  6. Step 6: Final answer
    x = 458,906.43

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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.