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Finding the Fourth Proportional to 356,880.08, 492,508.31 and 195,741.92

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Solution

The fourth proportional to 356,880.08, 492,508.31 and 195,741.92 is: 270,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,880.08 : 492,508.31 = 195,741.92 : x
  2. Step 2: Convert to fraction form
    356,880.08/492,508.31 = 195,741.92/x
  3. Step 3: Cross multiply
    356,880.08x = 492,508.31 × 195,741.92
  4. Step 4: Simplify right side
    356,880.08x = 96,404,518,774.10
  5. Step 5: Solve for x
    x = 96,404,518,774.10/356,880.08
  6. Step 6: Final answer
    x = 270,131.41

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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.