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Finding the Fourth Proportional to 265,509.44, 366,401.50 and 144,650.48

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Solution

The fourth proportional to 265,509.44, 366,401.50 and 144,650.48 is: 199,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,509.44 : 366,401.50 = 144,650.48 : x
  2. Step 2: Convert to fraction form
    265,509.44/366,401.50 = 144,650.48/x
  3. Step 3: Cross multiply
    265,509.44x = 366,401.50 × 144,650.48
  4. Step 4: Simplify right side
    265,509.44x = 53,000,152,847.72
  5. Step 5: Solve for x
    x = 53,000,152,847.72/265,509.44
  6. Step 6: Final answer
    x = 199,616.83

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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.