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Finding the Fourth Proportional to 352,990.93, 487,127.49 and 191,846.35

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Solution

The fourth proportional to 352,990.93, 487,127.49 and 191,846.35 is: 264,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,990.93 : 487,127.49 = 191,846.35 : x
  2. Step 2: Convert to fraction form
    352,990.93/487,127.49 = 191,846.35/x
  3. Step 3: Cross multiply
    352,990.93x = 487,127.49 × 191,846.35
  4. Step 4: Simplify right side
    352,990.93x = 93,453,630,941.16
  5. Step 5: Solve for x
    x = 93,453,630,941.16/352,990.93
  6. Step 6: Final answer
    x = 264,747.97

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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.