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Finding the Fourth Proportional to 608,165.72, 839,243.94 and 336,216.32

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Solution

The fourth proportional to 608,165.72, 839,243.94 and 336,216.32 is: 463,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,165.72 : 839,243.94 = 336,216.32 : x
  2. Step 2: Convert to fraction form
    608,165.72/839,243.94 = 336,216.32/x
  3. Step 3: Cross multiply
    608,165.72x = 839,243.94 × 336,216.32
  4. Step 4: Simplify right side
    608,165.72x = 282,167,509,089.10
  5. Step 5: Solve for x
    x = 282,167,509,089.10/608,165.72
  6. Step 6: Final answer
    x = 463,964.84

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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.