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Finding the Fourth Proportional to 608,036.49, 839,173.68 and 349,908.12

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Solution

The fourth proportional to 608,036.49, 839,173.68 and 349,908.12 is: 482,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,036.49 : 839,173.68 = 349,908.12 : x
  2. Step 2: Convert to fraction form
    608,036.49/839,173.68 = 349,908.12/x
  3. Step 3: Cross multiply
    608,036.49x = 839,173.68 × 349,908.12
  4. Step 4: Simplify right side
    608,036.49x = 293,633,684,722.28
  5. Step 5: Solve for x
    x = 293,633,684,722.28/608,036.49
  6. Step 6: Final answer
    x = 482,921.16

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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.