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Finding the Fourth Proportional to 347,607.54, 521,404.02 and 110,946.20

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Solution

The fourth proportional to 347,607.54, 521,404.02 and 110,946.20 is: 166,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,607.54 : 521,404.02 = 110,946.20 : x
  2. Step 2: Convert to fraction form
    347,607.54/521,404.02 = 110,946.20/x
  3. Step 3: Cross multiply
    347,607.54x = 521,404.02 × 110,946.20
  4. Step 4: Simplify right side
    347,607.54x = 57,847,792,076.70
  5. Step 5: Solve for x
    x = 57,847,792,076.70/347,607.54
  6. Step 6: Final answer
    x = 166,416.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.