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Finding the Fourth Proportional to 270,602.12, 373,431.54 and 149,752.20

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Solution

The fourth proportional to 270,602.12, 373,431.54 and 149,752.20 is: 206,658.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,602.12 : 373,431.54 = 149,752.20 : x
  2. Step 2: Convert to fraction form
    270,602.12/373,431.54 = 149,752.20/x
  3. Step 3: Cross multiply
    270,602.12x = 373,431.54 × 149,752.20
  4. Step 4: Simplify right side
    270,602.12x = 55,922,194,664.39
  5. Step 5: Solve for x
    x = 55,922,194,664.39/270,602.12
  6. Step 6: Final answer
    x = 206,658.38

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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.