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Finding the Fourth Proportional to 342,429.91, 472,527.61 and 191,497.75

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Solution

The fourth proportional to 342,429.91, 472,527.61 and 191,497.75 is: 264,252.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,429.91 : 472,527.61 = 191,497.75 : x
  2. Step 2: Convert to fraction form
    342,429.91/472,527.61 = 191,497.75/x
  3. Step 3: Cross multiply
    342,429.91x = 472,527.61 × 191,497.75
  4. Step 4: Simplify right side
    342,429.91x = 90,487,974,127.88
  5. Step 5: Solve for x
    x = 90,487,974,127.88/342,429.91
  6. Step 6: Final answer
    x = 264,252.54

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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.