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Finding the Fourth Proportional to 342,429.66, 472,527.27 and 191,497.50

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Solution

The fourth proportional to 342,429.66, 472,527.27 and 191,497.50 is: 264,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,429.66 : 472,527.27 = 191,497.50 : x
  2. Step 2: Convert to fraction form
    342,429.66/472,527.27 = 191,497.50/x
  3. Step 3: Cross multiply
    342,429.66x = 472,527.27 × 191,497.50
  4. Step 4: Simplify right side
    342,429.66x = 90,487,790,886.83
  5. Step 5: Solve for x
    x = 90,487,790,886.83/342,429.66
  6. Step 6: Final answer
    x = 264,252.20

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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.