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Finding the Fourth Proportional to 353,096.76, 487,282.92 and 191,962.56

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Solution

The fourth proportional to 353,096.76, 487,282.92 and 191,962.56 is: 264,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,096.76 : 487,282.92 = 191,962.56 : x
  2. Step 2: Convert to fraction form
    353,096.76/487,282.92 = 191,962.56/x
  3. Step 3: Cross multiply
    353,096.76x = 487,282.92 × 191,962.56
  4. Step 4: Simplify right side
    353,096.76x = 93,540,076,767.48
  5. Step 5: Solve for x
    x = 93,540,076,767.48/353,096.76
  6. Step 6: Final answer
    x = 264,913.44

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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.