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Finding the Fourth Proportional to 270,594.88, 373,460.55 and 155,851.47

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Solution

The fourth proportional to 270,594.88, 373,460.55 and 155,851.47 is: 215,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,594.88 : 373,460.55 = 155,851.47 : x
  2. Step 2: Convert to fraction form
    270,594.88/373,460.55 = 155,851.47/x
  3. Step 3: Cross multiply
    270,594.88x = 373,460.55 × 155,851.47
  4. Step 4: Simplify right side
    270,594.88x = 58,204,375,704.51
  5. Step 5: Solve for x
    x = 58,204,375,704.51/270,594.88
  6. Step 6: Final answer
    x = 215,097.85

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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.