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Finding the Fourth Proportional to 353,632.70, 488,026 and 192,479.96

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Solution

The fourth proportional to 353,632.70, 488,026 and 192,479.96 is: 265,629.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,632.70 : 488,026 = 192,479.96 : x
  2. Step 2: Convert to fraction form
    353,632.70/488,026 = 192,479.96/x
  3. Step 3: Cross multiply
    353,632.70x = 488,026 × 192,479.96
  4. Step 4: Simplify right side
    353,632.70x = 93,935,224,958.96
  5. Step 5: Solve for x
    x = 93,935,224,958.96/353,632.70
  6. Step 6: Final answer
    x = 265,629.35

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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.