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Finding the Fourth Proportional to 448,399.08, 672,918.47 and 248,879.07

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Solution

The fourth proportional to 448,399.08, 672,918.47 and 248,879.07 is: 373,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,399.08 : 672,918.47 = 248,879.07 : x
  2. Step 2: Convert to fraction form
    448,399.08/672,918.47 = 248,879.07/x
  3. Step 3: Cross multiply
    448,399.08x = 672,918.47 × 248,879.07
  4. Step 4: Simplify right side
    448,399.08x = 167,475,322,688.32
  5. Step 5: Solve for x
    x = 167,475,322,688.32/448,399.08
  6. Step 6: Final answer
    x = 373,496.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.