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Finding the Fourth Proportional to 608,388.35, 839,571.02 and 336,467.70

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Solution

The fourth proportional to 608,388.35, 839,571.02 and 336,467.70 is: 464,322.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,388.35 : 839,571.02 = 336,467.70 : x
  2. Step 2: Convert to fraction form
    608,388.35/839,571.02 = 336,467.70/x
  3. Step 3: Cross multiply
    608,388.35x = 839,571.02 × 336,467.70
  4. Step 4: Simplify right side
    608,388.35x = 282,488,528,403.72
  5. Step 5: Solve for x
    x = 282,488,528,403.72/608,388.35
  6. Step 6: Final answer
    x = 464,322.72

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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.