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Finding the Fourth Proportional to 489,127.12, 733,722.06 and 169,309.82

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Solution

The fourth proportional to 489,127.12, 733,722.06 and 169,309.82 is: 253,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,127.12 : 733,722.06 = 169,309.82 : x
  2. Step 2: Convert to fraction form
    489,127.12/733,722.06 = 169,309.82/x
  3. Step 3: Cross multiply
    489,127.12x = 733,722.06 × 169,309.82
  4. Step 4: Simplify right side
    489,127.12x = 124,226,349,908.63
  5. Step 5: Solve for x
    x = 124,226,349,908.63/489,127.12
  6. Step 6: Final answer
    x = 253,975.59

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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.