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Finding the Fourth Proportional to 590,908.10, 885,786.15 and 337,928.90

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Solution

The fourth proportional to 590,908.10, 885,786.15 and 337,928.90 is: 506,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,908.10 : 885,786.15 = 337,928.90 : x
  2. Step 2: Convert to fraction form
    590,908.10/885,786.15 = 337,928.90/x
  3. Step 3: Cross multiply
    590,908.10x = 885,786.15 × 337,928.90
  4. Step 4: Simplify right side
    590,908.10x = 299,332,739,304.74
  5. Step 5: Solve for x
    x = 299,332,739,304.74/590,908.10
  6. Step 6: Final answer
    x = 506,563.95

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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.