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Finding the Fourth Proportional to 608,161.72, 839,238.40 and 336,212.32

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Solution

The fourth proportional to 608,161.72, 839,238.40 and 336,212.32 is: 463,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,161.72 : 839,238.40 = 336,212.32 : x
  2. Step 2: Convert to fraction form
    608,161.72/839,238.40 = 336,212.32/x
  3. Step 3: Cross multiply
    608,161.72x = 839,238.40 × 336,212.32
  4. Step 4: Simplify right side
    608,161.72x = 282,162,289,497.09
  5. Step 5: Solve for x
    x = 282,162,289,497.09/608,161.72
  6. Step 6: Final answer
    x = 463,959.31

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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.