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Finding the Fourth Proportional to 570,168.41, 854,570.07 and 266,153.54

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Solution

The fourth proportional to 570,168.41, 854,570.07 and 266,153.54 is: 398,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,168.41 : 854,570.07 = 266,153.54 : x
  2. Step 2: Convert to fraction form
    570,168.41/854,570.07 = 266,153.54/x
  3. Step 3: Cross multiply
    570,168.41x = 854,570.07 × 266,153.54
  4. Step 4: Simplify right side
    570,168.41x = 227,446,849,308.55
  5. Step 5: Solve for x
    x = 227,446,849,308.55/570,168.41
  6. Step 6: Final answer
    x = 398,911.70

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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.