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Finding the Fourth Proportional to 353,253.93, 487,485.81 and 192,105.51

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Solution

The fourth proportional to 353,253.93, 487,485.81 and 192,105.51 is: 265,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,253.93 : 487,485.81 = 192,105.51 : x
  2. Step 2: Convert to fraction form
    353,253.93/487,485.81 = 192,105.51/x
  3. Step 3: Cross multiply
    353,253.93x = 487,485.81 × 192,105.51
  4. Step 4: Simplify right side
    353,253.93x = 93,648,707,710.38
  5. Step 5: Solve for x
    x = 93,648,707,710.38/353,253.93
  6. Step 6: Final answer
    x = 265,103.09

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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.