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Finding the Fourth Proportional to 608,256.41, 839,357.78 and 336,302.96

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Solution

The fourth proportional to 608,256.41, 839,357.78 and 336,302.96 is: 464,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,256.41 : 839,357.78 = 336,302.96 : x
  2. Step 2: Convert to fraction form
    608,256.41/839,357.78 = 336,302.96/x
  3. Step 3: Cross multiply
    608,256.41x = 839,357.78 × 336,302.96
  4. Step 4: Simplify right side
    608,256.41x = 282,278,500,034.73
  5. Step 5: Solve for x
    x = 282,278,500,034.73/608,256.41
  6. Step 6: Final answer
    x = 464,078.14

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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.