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Finding the Fourth Proportional to 445,637.36, 615,058.18 and 264,449.20

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Solution

The fourth proportional to 445,637.36, 615,058.18 and 264,449.20 is: 364,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,637.36 : 615,058.18 = 264,449.20 : x
  2. Step 2: Convert to fraction form
    445,637.36/615,058.18 = 264,449.20/x
  3. Step 3: Cross multiply
    445,637.36x = 615,058.18 × 264,449.20
  4. Step 4: Simplify right side
    445,637.36x = 162,651,643,654.46
  5. Step 5: Solve for x
    x = 162,651,643,654.46/445,637.36
  6. Step 6: Final answer
    x = 364,986.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.