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Finding the Fourth Proportional to 270,593.88, 373,459.17 and 155,850.47

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Solution

The fourth proportional to 270,593.88, 373,459.17 and 155,850.47 is: 215,096.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,593.88 : 373,459.17 = 155,850.47 : x
  2. Step 2: Convert to fraction form
    270,593.88/373,459.17 = 155,850.47/x
  3. Step 3: Cross multiply
    270,593.88x = 373,459.17 × 155,850.47
  4. Step 4: Simplify right side
    270,593.88x = 58,203,785,303.01
  5. Step 5: Solve for x
    x = 58,203,785,303.01/270,593.88
  6. Step 6: Final answer
    x = 215,096.46

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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.