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Finding the Fourth Proportional to 608,532.31, 839,767.35 and 336,578.86

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Solution

The fourth proportional to 608,532.31, 839,767.35 and 336,578.86 is: 464,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,532.31 : 839,767.35 = 336,578.86 : x
  2. Step 2: Convert to fraction form
    608,532.31/839,767.35 = 336,578.86/x
  3. Step 3: Cross multiply
    608,532.31x = 839,767.35 × 336,578.86
  4. Step 4: Simplify right side
    608,532.31x = 282,647,937,328.22
  5. Step 5: Solve for x
    x = 282,647,937,328.22/608,532.31
  6. Step 6: Final answer
    x = 464,474.82

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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.