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Finding the Fourth Proportional to 447,893.43, 671,835.94 and 181,590.63

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Solution

The fourth proportional to 447,893.43, 671,835.94 and 181,590.63 is: 272,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,893.43 : 671,835.94 = 181,590.63 : x
  2. Step 2: Convert to fraction form
    447,893.43/671,835.94 = 181,590.63/x
  3. Step 3: Cross multiply
    447,893.43x = 671,835.94 × 181,590.63
  4. Step 4: Simplify right side
    447,893.43x = 121,999,111,601.24
  5. Step 5: Solve for x
    x = 121,999,111,601.24/447,893.43
  6. Step 6: Final answer
    x = 272,384.24

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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.