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Finding the Fourth Proportional to 414,555.20, 618,599.57 and 369,874.80

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Solution

The fourth proportional to 414,555.20, 618,599.57 and 369,874.80 is: 551,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,555.20 : 618,599.57 = 369,874.80 : x
  2. Step 2: Convert to fraction form
    414,555.20/618,599.57 = 369,874.80/x
  3. Step 3: Cross multiply
    414,555.20x = 618,599.57 × 369,874.80
  4. Step 4: Simplify right side
    414,555.20x = 228,804,392,233.84
  5. Step 5: Solve for x
    x = 228,804,392,233.84/414,555.20
  6. Step 6: Final answer
    x = 551,927.44

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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.