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Finding the Fourth Proportional to 447,502.88, 671,180.90 and 123,215.33

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Solution

The fourth proportional to 447,502.88, 671,180.90 and 123,215.33 is: 184,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,502.88 : 671,180.90 = 123,215.33 : x
  2. Step 2: Convert to fraction form
    447,502.88/671,180.90 = 123,215.33/x
  3. Step 3: Cross multiply
    447,502.88x = 671,180.90 × 123,215.33
  4. Step 4: Simplify right side
    447,502.88x = 82,699,772,111.22
  5. Step 5: Solve for x
    x = 82,699,772,111.22/447,502.88
  6. Step 6: Final answer
    x = 184,802.77

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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.