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Finding the Fourth Proportional to 581,010.72, 871,516.77 and 181,653.59

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Solution

The fourth proportional to 581,010.72, 871,516.77 and 181,653.59 is: 272,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,010.72 : 871,516.77 = 181,653.59 : x
  2. Step 2: Convert to fraction form
    581,010.72/871,516.77 = 181,653.59/x
  3. Step 3: Cross multiply
    581,010.72x = 871,516.77 × 181,653.59
  4. Step 4: Simplify right side
    581,010.72x = 158,314,146,611.01
  5. Step 5: Solve for x
    x = 158,314,146,611.01/581,010.72
  6. Step 6: Final answer
    x = 272,480.59

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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.