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Finding the Fourth Proportional to 590,470.20, 885,705.30 and 164,005.20

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Solution

The fourth proportional to 590,470.20, 885,705.30 and 164,005.20 is: 246,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,470.20 : 885,705.30 = 164,005.20 : x
  2. Step 2: Convert to fraction form
    590,470.20/885,705.30 = 164,005.20/x
  3. Step 3: Cross multiply
    590,470.20x = 885,705.30 × 164,005.20
  4. Step 4: Simplify right side
    590,470.20x = 145,260,274,867.56
  5. Step 5: Solve for x
    x = 145,260,274,867.56/590,470.20
  6. Step 6: Final answer
    x = 246,007.80

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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.