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Finding the Fourth Proportional to 608,352.72, 839,493.24 and 336,404.88

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Solution

The fourth proportional to 608,352.72, 839,493.24 and 336,404.88 is: 464,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,352.72 : 839,493.24 = 336,404.88 : x
  2. Step 2: Convert to fraction form
    608,352.72/839,493.24 = 336,404.88/x
  3. Step 3: Cross multiply
    608,352.72x = 839,493.24 × 336,404.88
  4. Step 4: Simplify right side
    608,352.72x = 282,409,622,663.01
  5. Step 5: Solve for x
    x = 282,409,622,663.01/608,352.72
  6. Step 6: Final answer
    x = 464,220.20

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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.