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Finding the Fourth Proportional to 566,790.87, 850,298.40 and 161,986.71

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Solution

The fourth proportional to 566,790.87, 850,298.40 and 161,986.71 is: 243,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,790.87 : 850,298.40 = 161,986.71 : x
  2. Step 2: Convert to fraction form
    566,790.87/850,298.40 = 161,986.71/x
  3. Step 3: Cross multiply
    566,790.87x = 850,298.40 × 161,986.71
  4. Step 4: Simplify right side
    566,790.87x = 137,737,040,334.26
  5. Step 5: Solve for x
    x = 137,737,040,334.26/566,790.87
  6. Step 6: Final answer
    x = 243,012.10

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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.