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Finding the Fourth Proportional to 304,816.26, 420,646.38 and 168,859.01

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Solution

The fourth proportional to 304,816.26, 420,646.38 and 168,859.01 is: 233,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,816.26 : 420,646.38 = 168,859.01 : x
  2. Step 2: Convert to fraction form
    304,816.26/420,646.38 = 168,859.01/x
  3. Step 3: Cross multiply
    304,816.26x = 420,646.38 × 168,859.01
  4. Step 4: Simplify right side
    304,816.26x = 71,029,929,183.65
  5. Step 5: Solve for x
    x = 71,029,929,183.65/304,816.26
  6. Step 6: Final answer
    x = 233,025.39

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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.