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Finding the Fourth Proportional to 608,441.44, 839,654.76 and 336,495.28

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Solution

The fourth proportional to 608,441.44, 839,654.76 and 336,495.28 is: 464,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,441.44 : 839,654.76 = 336,495.28 : x
  2. Step 2: Convert to fraction form
    608,441.44/839,654.76 = 336,495.28/x
  3. Step 3: Cross multiply
    608,441.44x = 839,654.76 × 336,495.28
  4. Step 4: Simplify right side
    608,441.44x = 282,539,863,569.53
  5. Step 5: Solve for x
    x = 282,539,863,569.53/608,441.44
  6. Step 6: Final answer
    x = 464,366.57

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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.