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Finding the Fourth Proportional to 445,954.62, 615,410.73 and 262,213.95

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Solution

The fourth proportional to 445,954.62, 615,410.73 and 262,213.95 is: 361,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,954.62 : 615,410.73 = 262,213.95 : x
  2. Step 2: Convert to fraction form
    445,954.62/615,410.73 = 262,213.95/x
  3. Step 3: Cross multiply
    445,954.62x = 615,410.73 × 262,213.95
  4. Step 4: Simplify right side
    445,954.62x = 161,369,280,693.47
  5. Step 5: Solve for x
    x = 161,369,280,693.47/445,954.62
  6. Step 6: Final answer
    x = 361,851.35

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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.