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Finding the Fourth Proportional to 369,894.33, 510,806.80 and 349,743.63

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Solution

The fourth proportional to 369,894.33, 510,806.80 and 349,743.63 is: 482,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,894.33 : 510,806.80 = 349,743.63 : x
  2. Step 2: Convert to fraction form
    369,894.33/510,806.80 = 349,743.63/x
  3. Step 3: Cross multiply
    369,894.33x = 510,806.80 × 349,743.63
  4. Step 4: Simplify right side
    369,894.33x = 178,651,422,982.34
  5. Step 5: Solve for x
    x = 178,651,422,982.34/369,894.33
  6. Step 6: Final answer
    x = 482,979.62

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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.