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Finding the Fourth Proportional to 292,625.46, 438,828.03 and 115,035.39

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Solution

The fourth proportional to 292,625.46, 438,828.03 and 115,035.39 is: 172,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,625.46 : 438,828.03 = 115,035.39 : x
  2. Step 2: Convert to fraction form
    292,625.46/438,828.03 = 115,035.39/x
  3. Step 3: Cross multiply
    292,625.46x = 438,828.03 × 115,035.39
  4. Step 4: Simplify right side
    292,625.46x = 50,480,753,573.98
  5. Step 5: Solve for x
    x = 50,480,753,573.98/292,625.46
  6. Step 6: Final answer
    x = 172,509.78

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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.