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Finding the Fourth Proportional to 270,035.64, 372,649.12 and 150,803.64

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Solution

The fourth proportional to 270,035.64, 372,649.12 and 150,803.64 is: 208,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,035.64 : 372,649.12 = 150,803.64 : x
  2. Step 2: Convert to fraction form
    270,035.64/372,649.12 = 150,803.64/x
  3. Step 3: Cross multiply
    270,035.64x = 372,649.12 × 150,803.64
  4. Step 4: Simplify right side
    270,035.64x = 56,196,843,738.80
  5. Step 5: Solve for x
    x = 56,196,843,738.80/270,035.64
  6. Step 6: Final answer
    x = 208,108.99

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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.