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Finding the Fourth Proportional to 304,529.50, 420,244.88 and 168,563.58

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Solution

The fourth proportional to 304,529.50, 420,244.88 and 168,563.58 is: 232,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,529.50 : 420,244.88 = 168,563.58 : x
  2. Step 2: Convert to fraction form
    304,529.50/420,244.88 = 168,563.58/x
  3. Step 3: Cross multiply
    304,529.50x = 420,244.88 × 168,563.58
  4. Step 4: Simplify right side
    304,529.50x = 70,837,981,449.47
  5. Step 5: Solve for x
    x = 70,837,981,449.47/304,529.50
  6. Step 6: Final answer
    x = 232,614.51

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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.