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Finding the Fourth Proportional to 353,698.68, 488,099.34 and 192,555.12

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Solution

The fourth proportional to 353,698.68, 488,099.34 and 192,555.12 is: 265,723.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,698.68 : 488,099.34 = 192,555.12 : x
  2. Step 2: Convert to fraction form
    353,698.68/488,099.34 = 192,555.12/x
  3. Step 3: Cross multiply
    353,698.68x = 488,099.34 × 192,555.12
  4. Step 4: Simplify right side
    353,698.68x = 93,986,026,985.62
  5. Step 5: Solve for x
    x = 93,986,026,985.62/353,698.68
  6. Step 6: Final answer
    x = 265,723.43

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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.