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Finding the Fourth Proportional to 270,646.60, 373,455.33 and 155,882.56

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Solution

The fourth proportional to 270,646.60, 373,455.33 and 155,882.56 is: 215,096.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,646.60 : 373,455.33 = 155,882.56 : x
  2. Step 2: Convert to fraction form
    270,646.60/373,455.33 = 155,882.56/x
  3. Step 3: Cross multiply
    270,646.60x = 373,455.33 × 155,882.56
  4. Step 4: Simplify right side
    270,646.60x = 58,215,171,018.77
  5. Step 5: Solve for x
    x = 58,215,171,018.77/270,646.60
  6. Step 6: Final answer
    x = 215,096.63

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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.