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Finding the Fourth Proportional to 448,490.52, 671,974.52 and 270,623.80

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Solution

The fourth proportional to 448,490.52, 671,974.52 and 270,623.80 is: 405,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,490.52 : 671,974.52 = 270,623.80 : x
  2. Step 2: Convert to fraction form
    448,490.52/671,974.52 = 270,623.80/x
  3. Step 3: Cross multiply
    448,490.52x = 671,974.52 × 270,623.80
  4. Step 4: Simplify right side
    448,490.52x = 181,852,298,105.58
  5. Step 5: Solve for x
    x = 181,852,298,105.58/448,490.52
  6. Step 6: Final answer
    x = 405,476.35

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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.