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Finding the Fourth Proportional to 448,277.94, 672,398.15 and 111,311.33

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Solution

The fourth proportional to 448,277.94, 672,398.15 and 111,311.33 is: 166,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,277.94 : 672,398.15 = 111,311.33 : x
  2. Step 2: Convert to fraction form
    448,277.94/672,398.15 = 111,311.33/x
  3. Step 3: Cross multiply
    448,277.94x = 672,398.15 × 111,311.33
  4. Step 4: Simplify right side
    448,277.94x = 74,845,528,447.49
  5. Step 5: Solve for x
    x = 74,845,528,447.49/448,277.94
  6. Step 6: Final answer
    x = 166,962.33

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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.