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Finding the Fourth Proportional to 404,521.49, 607,154.94 and 204,983.26

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Solution

The fourth proportional to 404,521.49, 607,154.94 and 204,983.26 is: 307,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,521.49 : 607,154.94 = 204,983.26 : x
  2. Step 2: Convert to fraction form
    404,521.49/607,154.94 = 204,983.26/x
  3. Step 3: Cross multiply
    404,521.49x = 607,154.94 × 204,983.26
  4. Step 4: Simplify right side
    404,521.49x = 124,456,597,408.42
  5. Step 5: Solve for x
    x = 124,456,597,408.42/404,521.49
  6. Step 6: Final answer
    x = 307,663.75

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1.5x scale

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.