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Finding the Fourth Proportional to 323,028.95, 445,784.21 and 177,851.63

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Solution

The fourth proportional to 323,028.95, 445,784.21 and 177,851.63 is: 245,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,028.95 : 445,784.21 = 177,851.63 : x
  2. Step 2: Convert to fraction form
    323,028.95/445,784.21 = 177,851.63/x
  3. Step 3: Cross multiply
    323,028.95x = 445,784.21 × 177,851.63
  4. Step 4: Simplify right side
    323,028.95x = 79,283,449,268.91
  5. Step 5: Solve for x
    x = 79,283,449,268.91/323,028.95
  6. Step 6: Final answer
    x = 245,437.60

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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.