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Finding the Fourth Proportional to 337,145.49, 505,792.17 and 126,783.45

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Solution

The fourth proportional to 337,145.49, 505,792.17 and 126,783.45 is: 190,202.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,145.49 : 505,792.17 = 126,783.45 : x
  2. Step 2: Convert to fraction form
    337,145.49/505,792.17 = 126,783.45/x
  3. Step 3: Cross multiply
    337,145.49x = 505,792.17 × 126,783.45
  4. Step 4: Simplify right side
    337,145.49x = 64,126,076,295.59
  5. Step 5: Solve for x
    x = 64,126,076,295.59/337,145.49
  6. Step 6: Final answer
    x = 190,202.98

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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.