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Finding the Fourth Proportional to 353,663.57, 488,055.79 and 192,519.83

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Solution

The fourth proportional to 353,663.57, 488,055.79 and 192,519.83 is: 265,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,663.57 : 488,055.79 = 192,519.83 : x
  2. Step 2: Convert to fraction form
    353,663.57/488,055.79 = 192,519.83/x
  3. Step 3: Cross multiply
    353,663.57x = 488,055.79 × 192,519.83
  4. Step 4: Simplify right side
    353,663.57x = 93,960,415,353.87
  5. Step 5: Solve for x
    x = 93,960,415,353.87/353,663.57
  6. Step 6: Final answer
    x = 265,677.40

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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.