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Finding the Fourth Proportional to 567,005.59, 850,487.01 and 140,542.57

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Solution

The fourth proportional to 567,005.59, 850,487.01 and 140,542.57 is: 210,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,005.59 : 850,487.01 = 140,542.57 : x
  2. Step 2: Convert to fraction form
    567,005.59/850,487.01 = 140,542.57/x
  3. Step 3: Cross multiply
    567,005.59x = 850,487.01 × 140,542.57
  4. Step 4: Simplify right side
    567,005.59x = 119,529,630,137.02
  5. Step 5: Solve for x
    x = 119,529,630,137.02/567,005.59
  6. Step 6: Final answer
    x = 210,808.56

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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.