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Finding the Fourth Proportional to 652,227.40, 978,827.10 and 336,521.80

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Solution

The fourth proportional to 652,227.40, 978,827.10 and 336,521.80 is: 505,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,227.40 : 978,827.10 = 336,521.80 : x
  2. Step 2: Convert to fraction form
    652,227.40/978,827.10 = 336,521.80/x
  3. Step 3: Cross multiply
    652,227.40x = 978,827.10 × 336,521.80
  4. Step 4: Simplify right side
    652,227.40x = 329,396,657,580.78
  5. Step 5: Solve for x
    x = 329,396,657,580.78/652,227.40
  6. Step 6: Final answer
    x = 505,033.46

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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.