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Finding the Fourth Proportional to 484,561.82, 668,683.39 and 266,768.68

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Solution

The fourth proportional to 484,561.82, 668,683.39 and 266,768.68 is: 368,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,561.82 : 668,683.39 = 266,768.68 : x
  2. Step 2: Convert to fraction form
    484,561.82/668,683.39 = 266,768.68/x
  3. Step 3: Cross multiply
    484,561.82x = 668,683.39 × 266,768.68
  4. Step 4: Simplify right side
    484,561.82x = 178,383,785,288.23
  5. Step 5: Solve for x
    x = 178,383,785,288.23/484,561.82
  6. Step 6: Final answer
    x = 368,134.22

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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.