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Finding the Fourth Proportional to 608,163.28, 839,260.92 and 336,243.04

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Solution

The fourth proportional to 608,163.28, 839,260.92 and 336,243.04 is: 464,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,163.28 : 839,260.92 = 336,243.04 : x
  2. Step 2: Convert to fraction form
    608,163.28/839,260.92 = 336,243.04/x
  3. Step 3: Cross multiply
    608,163.28x = 839,260.92 × 336,243.04
  4. Step 4: Simplify right side
    608,163.28x = 282,195,643,094.00
  5. Step 5: Solve for x
    x = 282,195,643,094.00/608,163.28
  6. Step 6: Final answer
    x = 464,012.96

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Double scale
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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.