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Finding the Fourth Proportional to 414,548.22, 618,589.14 and 369,867.78

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Solution

The fourth proportional to 414,548.22, 618,589.14 and 369,867.78 is: 551,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,548.22 : 618,589.14 = 369,867.78 : x
  2. Step 2: Convert to fraction form
    414,548.22/618,589.14 = 369,867.78/x
  3. Step 3: Cross multiply
    414,548.22x = 618,589.14 × 369,867.78
  4. Step 4: Simplify right side
    414,548.22x = 228,796,191,943.91
  5. Step 5: Solve for x
    x = 228,796,191,943.91/414,548.22
  6. Step 6: Final answer
    x = 551,916.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.