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Finding the Fourth Proportional to 404,346.70, 606,908.85 and 204,892.30

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Solution

The fourth proportional to 404,346.70, 606,908.85 and 204,892.30 is: 307,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,346.70 : 606,908.85 = 204,892.30 : x
  2. Step 2: Convert to fraction form
    404,346.70/606,908.85 = 204,892.30/x
  3. Step 3: Cross multiply
    404,346.70x = 606,908.85 × 204,892.30
  4. Step 4: Simplify right side
    404,346.70x = 124,350,950,166.86
  5. Step 5: Solve for x
    x = 124,350,950,166.86/404,346.70
  6. Step 6: Final answer
    x = 307,535.46

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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.