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Finding the Fourth Proportional to 581,055.66, 871,640.13 and 226,098.54

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Solution

The fourth proportional to 581,055.66, 871,640.13 and 226,098.54 is: 339,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,055.66 : 871,640.13 = 226,098.54 : x
  2. Step 2: Convert to fraction form
    581,055.66/871,640.13 = 226,098.54/x
  3. Step 3: Cross multiply
    581,055.66x = 871,640.13 × 226,098.54
  4. Step 4: Simplify right side
    581,055.66x = 197,076,560,798.41
  5. Step 5: Solve for x
    x = 197,076,560,798.41/581,055.66
  6. Step 6: Final answer
    x = 339,169.85

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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.