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Finding the Fourth Proportional to 304,769.52, 420,550.92 and 175,672.80

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Solution

The fourth proportional to 304,769.52, 420,550.92 and 175,672.80 is: 242,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,769.52 : 420,550.92 = 175,672.80 : x
  2. Step 2: Convert to fraction form
    304,769.52/420,550.92 = 175,672.80/x
  3. Step 3: Cross multiply
    304,769.52x = 420,550.92 × 175,672.80
  4. Step 4: Simplify right side
    304,769.52x = 73,879,357,658.98
  5. Step 5: Solve for x
    x = 73,879,357,658.98/304,769.52
  6. Step 6: Final answer
    x = 242,410.59

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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.