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Finding the Fourth Proportional to 295,401.85, 407,652.47 and 161,265.85

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Solution

The fourth proportional to 295,401.85, 407,652.47 and 161,265.85 is: 222,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,401.85 : 407,652.47 = 161,265.85 : x
  2. Step 2: Convert to fraction form
    295,401.85/407,652.47 = 161,265.85/x
  3. Step 3: Cross multiply
    295,401.85x = 407,652.47 × 161,265.85
  4. Step 4: Simplify right side
    295,401.85x = 65,740,420,040.89
  5. Step 5: Solve for x
    x = 65,740,420,040.89/295,401.85
  6. Step 6: Final answer
    x = 222,545.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.