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Finding the Fourth Proportional to 570,165.66, 854,565.94 and 266,150.79

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Solution

The fourth proportional to 570,165.66, 854,565.94 and 266,150.79 is: 398,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,165.66 : 854,565.94 = 266,150.79 : x
  2. Step 2: Convert to fraction form
    570,165.66/854,565.94 = 266,150.79/x
  3. Step 3: Cross multiply
    570,165.66x = 854,565.94 × 266,150.79
  4. Step 4: Simplify right side
    570,165.66x = 227,443,399,372.72
  5. Step 5: Solve for x
    x = 227,443,399,372.72/570,165.66
  6. Step 6: Final answer
    x = 398,907.57

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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.