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Finding the Fourth Proportional to 570,162.53, 854,561.27 and 266,147.66

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Solution

The fourth proportional to 570,162.53, 854,561.27 and 266,147.66 is: 398,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,162.53 : 854,561.27 = 266,147.66 : x
  2. Step 2: Convert to fraction form
    570,162.53/854,561.27 = 266,147.66/x
  3. Step 3: Cross multiply
    570,162.53x = 854,561.27 × 266,147.66
  4. Step 4: Simplify right side
    570,162.53x = 227,439,482,337.13
  5. Step 5: Solve for x
    x = 227,439,482,337.13/570,162.53
  6. Step 6: Final answer
    x = 398,902.89

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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.