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Finding the Fourth Proportional to 353,799.70, 488,252.34 and 192,663.56

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Solution

The fourth proportional to 353,799.70, 488,252.34 and 192,663.56 is: 265,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,799.70 : 488,252.34 = 192,663.56 : x
  2. Step 2: Convert to fraction form
    353,799.70/488,252.34 = 192,663.56/x
  3. Step 3: Cross multiply
    353,799.70x = 488,252.34 × 192,663.56
  4. Step 4: Simplify right side
    353,799.70x = 94,068,435,223.36
  5. Step 5: Solve for x
    x = 94,068,435,223.36/353,799.70
  6. Step 6: Final answer
    x = 265,880.49

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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.