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Finding the Fourth Proportional to 304,300.54, 419,927.16 and 168,342.04

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Solution

The fourth proportional to 304,300.54, 419,927.16 and 168,342.04 is: 232,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,300.54 : 419,927.16 = 168,342.04 : x
  2. Step 2: Convert to fraction form
    304,300.54/419,927.16 = 168,342.04/x
  3. Step 3: Cross multiply
    304,300.54x = 419,927.16 × 168,342.04
  4. Step 4: Simplify right side
    304,300.54x = 70,691,393,924.10
  5. Step 5: Solve for x
    x = 70,691,393,924.10/304,300.54
  6. Step 6: Final answer
    x = 232,307.82

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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.