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Finding the Fourth Proportional to 470,410.72, 649,167.36 and 255,550.93

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Solution

The fourth proportional to 470,410.72, 649,167.36 and 255,550.93 is: 352,660.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,410.72 : 649,167.36 = 255,550.93 : x
  2. Step 2: Convert to fraction form
    470,410.72/649,167.36 = 255,550.93/x
  3. Step 3: Cross multiply
    470,410.72x = 649,167.36 × 255,550.93
  4. Step 4: Simplify right side
    470,410.72x = 165,895,322,573.65
  5. Step 5: Solve for x
    x = 165,895,322,573.65/470,410.72
  6. Step 6: Final answer
    x = 352,660.59

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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.