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Finding the Fourth Proportional to 652,772.71, 978,485.41 and 273,913.44

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Solution

The fourth proportional to 652,772.71, 978,485.41 and 273,913.44 is: 410,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,772.71 : 978,485.41 = 273,913.44 : x
  2. Step 2: Convert to fraction form
    652,772.71/978,485.41 = 273,913.44/x
  3. Step 3: Cross multiply
    652,772.71x = 978,485.41 × 273,913.44
  4. Step 4: Simplify right side
    652,772.71x = 268,020,304,642.91
  5. Step 5: Solve for x
    x = 268,020,304,642.91/652,772.71
  6. Step 6: Final answer
    x = 410,587.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.