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Finding the Fourth Proportional to 353,830.73, 488,292.24 and 192,688.92

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Solution

The fourth proportional to 353,830.73, 488,292.24 and 192,688.92 is: 265,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,830.73 : 488,292.24 = 192,688.92 : x
  2. Step 2: Convert to fraction form
    353,830.73/488,292.24 = 192,688.92/x
  3. Step 3: Cross multiply
    353,830.73x = 488,292.24 × 192,688.92
  4. Step 4: Simplify right side
    353,830.73x = 94,088,504,369.98
  5. Step 5: Solve for x
    x = 94,088,504,369.98/353,830.73
  6. Step 6: Final answer
    x = 265,913.89

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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.