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Finding the Fourth Proportional to 608,936.92, 840,315.66 and 337,016.20

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Solution

The fourth proportional to 608,936.92, 840,315.66 and 337,016.20 is: 465,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,936.92 : 840,315.66 = 337,016.20 : x
  2. Step 2: Convert to fraction form
    608,936.92/840,315.66 = 337,016.20/x
  3. Step 3: Cross multiply
    608,936.92x = 840,315.66 × 337,016.20
  4. Step 4: Simplify right side
    608,936.92x = 283,199,990,533.69
  5. Step 5: Solve for x
    x = 283,199,990,533.69/608,936.92
  6. Step 6: Final answer
    x = 465,072.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.