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Finding the Fourth Proportional to 607,940.84, 839,001.79 and 336,002.88

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Solution

The fourth proportional to 607,940.84, 839,001.79 and 336,002.88 is: 463,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,940.84 : 839,001.79 = 336,002.88 : x
  2. Step 2: Convert to fraction form
    607,940.84/839,001.79 = 336,002.88/x
  3. Step 3: Cross multiply
    607,940.84x = 839,001.79 × 336,002.88
  4. Step 4: Simplify right side
    607,940.84x = 281,907,014,618.90
  5. Step 5: Solve for x
    x = 281,907,014,618.90/607,940.84
  6. Step 6: Final answer
    x = 463,707.98

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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.