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Finding the Fourth Proportional to 353,176.93, 487,370.73 and 192,032.11

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Solution

The fourth proportional to 353,176.93, 487,370.73 and 192,032.11 is: 264,997.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,176.93 : 487,370.73 = 192,032.11 : x
  2. Step 2: Convert to fraction form
    353,176.93/487,370.73 = 192,032.11/x
  3. Step 3: Cross multiply
    353,176.93x = 487,370.73 × 192,032.11
  4. Step 4: Simplify right side
    353,176.93x = 93,590,829,634.14
  5. Step 5: Solve for x
    x = 93,590,829,634.14/353,176.93
  6. Step 6: Final answer
    x = 264,997.01

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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.