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Finding the Fourth Proportional to 608,645.28, 839,893.76 and 367,006.08

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Solution

The fourth proportional to 608,645.28, 839,893.76 and 367,006.08 is: 506,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,645.28 : 839,893.76 = 367,006.08 : x
  2. Step 2: Convert to fraction form
    608,645.28/839,893.76 = 367,006.08/x
  3. Step 3: Cross multiply
    608,645.28x = 839,893.76 × 367,006.08
  4. Step 4: Simplify right side
    608,645.28x = 308,246,116,474.06
  5. Step 5: Solve for x
    x = 308,246,116,474.06/608,645.28
  6. Step 6: Final answer
    x = 506,446.24

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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.