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Finding the Fourth Proportional to 293,652.81, 440,453.30 and 106,665.93

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Solution

The fourth proportional to 293,652.81, 440,453.30 and 106,665.93 is: 159,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,652.81 : 440,453.30 = 106,665.93 : x
  2. Step 2: Convert to fraction form
    293,652.81/440,453.30 = 106,665.93/x
  3. Step 3: Cross multiply
    293,652.81x = 440,453.30 × 106,665.93
  4. Step 4: Simplify right side
    293,652.81x = 46,981,360,332.74
  5. Step 5: Solve for x
    x = 46,981,360,332.74/293,652.81
  6. Step 6: Final answer
    x = 159,989.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.