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Finding the Fourth Proportional to 567,021.55, 850,237.02 and 267,421.69

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Solution

The fourth proportional to 567,021.55, 850,237.02 and 267,421.69 is: 400,993.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,021.55 : 850,237.02 = 267,421.69 : x
  2. Step 2: Convert to fraction form
    567,021.55/850,237.02 = 267,421.69/x
  3. Step 3: Cross multiply
    567,021.55x = 850,237.02 × 267,421.69
  4. Step 4: Simplify right side
    567,021.55x = 227,371,817,069.18
  5. Step 5: Solve for x
    x = 227,371,817,069.18/567,021.55
  6. Step 6: Final answer
    x = 400,993.26

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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.