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Finding the Fourth Proportional to 368,351.40, 508,279.47 and 232,333.98

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Solution

The fourth proportional to 368,351.40, 508,279.47 and 232,333.98 is: 320,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,351.40 : 508,279.47 = 232,333.98 : x
  2. Step 2: Convert to fraction form
    368,351.40/508,279.47 = 232,333.98/x
  3. Step 3: Cross multiply
    368,351.40x = 508,279.47 × 232,333.98
  4. Step 4: Simplify right side
    368,351.40x = 118,090,589,440.09
  5. Step 5: Solve for x
    x = 118,090,589,440.09/368,351.40
  6. Step 6: Final answer
    x = 320,592.21

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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.