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Finding the Fourth Proportional to 603,484.70, 906,018.62 and 404,694.90

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Solution

The fourth proportional to 603,484.70, 906,018.62 and 404,694.90 is: 607,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,484.70 : 906,018.62 = 404,694.90 : x
  2. Step 2: Convert to fraction form
    603,484.70/906,018.62 = 404,694.90/x
  3. Step 3: Cross multiply
    603,484.70x = 906,018.62 × 404,694.90
  4. Step 4: Simplify right side
    603,484.70x = 366,661,112,795.56
  5. Step 5: Solve for x
    x = 366,661,112,795.56/603,484.70
  6. Step 6: Final answer
    x = 607,573.18

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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.