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Finding the Fourth Proportional to 358,991.32, 495,385.77 and 197,837.37

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Solution

The fourth proportional to 358,991.32, 495,385.77 and 197,837.37 is: 273,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,991.32 : 495,385.77 = 197,837.37 : x
  2. Step 2: Convert to fraction form
    358,991.32/495,385.77 = 197,837.37/x
  3. Step 3: Cross multiply
    358,991.32x = 495,385.77 × 197,837.37
  4. Step 4: Simplify right side
    358,991.32x = 98,005,817,872.22
  5. Step 5: Solve for x
    x = 98,005,817,872.22/358,991.32
  6. Step 6: Final answer
    x = 273,003.31

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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.