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Finding the Fourth Proportional to 369,496.86, 509,920.79 and 233,481.17

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Solution

The fourth proportional to 369,496.86, 509,920.79 and 233,481.17 is: 322,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,496.86 : 509,920.79 = 233,481.17 : x
  2. Step 2: Convert to fraction form
    369,496.86/509,920.79 = 233,481.17/x
  3. Step 3: Cross multiply
    369,496.86x = 509,920.79 × 233,481.17
  4. Step 4: Simplify right side
    369,496.86x = 119,056,902,763.92
  5. Step 5: Solve for x
    x = 119,056,902,763.92/369,496.86
  6. Step 6: Final answer
    x = 322,213.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.