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Finding the Fourth Proportional to 265,276.37, 365,270.67 and 199,960.10

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Solution

The fourth proportional to 265,276.37, 365,270.67 and 199,960.10 is: 275,333.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,276.37 : 365,270.67 = 199,960.10 : x
  2. Step 2: Convert to fraction form
    265,276.37/365,270.67 = 199,960.10/x
  3. Step 3: Cross multiply
    265,276.37x = 365,270.67 × 199,960.10
  4. Step 4: Simplify right side
    265,276.37x = 73,039,559,700.27
  5. Step 5: Solve for x
    x = 73,039,559,700.27/265,276.37
  6. Step 6: Final answer
    x = 275,333.83

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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.