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Finding the Fourth Proportional to 293,447.88, 440,006.58 and 93,721.32

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Solution

The fourth proportional to 293,447.88, 440,006.58 and 93,721.32 is: 140,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,447.88 : 440,006.58 = 93,721.32 : x
  2. Step 2: Convert to fraction form
    293,447.88/440,006.58 = 93,721.32/x
  3. Step 3: Cross multiply
    293,447.88x = 440,006.58 × 93,721.32
  4. Step 4: Simplify right side
    293,447.88x = 41,237,997,486.29
  5. Step 5: Solve for x
    x = 41,237,997,486.29/293,447.88
  6. Step 6: Final answer
    x = 140,529.21

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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.