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Finding the Fourth Proportional to 304,053.20, 419,590.60 and 168,095.60

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Solution

The fourth proportional to 304,053.20, 419,590.60 and 168,095.60 is: 231,970.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,053.20 : 419,590.60 = 168,095.60 : x
  2. Step 2: Convert to fraction form
    304,053.20/419,590.60 = 168,095.60/x
  3. Step 3: Cross multiply
    304,053.20x = 419,590.60 × 168,095.60
  4. Step 4: Simplify right side
    304,053.20x = 70,531,333,661.36
  5. Step 5: Solve for x
    x = 70,531,333,661.36/304,053.20
  6. Step 6: Final answer
    x = 231,970.37

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1.5x scale

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.