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Finding the Fourth Proportional to 570,161.53, 854,559.77 and 266,146.66

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Solution

The fourth proportional to 570,161.53, 854,559.77 and 266,146.66 is: 398,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,161.53 : 854,559.77 = 266,146.66 : x
  2. Step 2: Convert to fraction form
    570,161.53/854,559.77 = 266,146.66/x
  3. Step 3: Cross multiply
    570,161.53x = 854,559.77 × 266,146.66
  4. Step 4: Simplify right side
    570,161.53x = 227,438,229,790.41
  5. Step 5: Solve for x
    x = 227,438,229,790.41/570,161.53
  6. Step 6: Final answer
    x = 398,901.39

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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.