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Finding the Fourth Proportional to 445,193.81, 614,383.13 and 254,203.73

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Solution

The fourth proportional to 445,193.81, 614,383.13 and 254,203.73 is: 350,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,193.81 : 614,383.13 = 254,203.73 : x
  2. Step 2: Convert to fraction form
    445,193.81/614,383.13 = 254,203.73/x
  3. Step 3: Cross multiply
    445,193.81x = 614,383.13 × 254,203.73
  4. Step 4: Simplify right side
    445,193.81x = 156,178,480,858.67
  5. Step 5: Solve for x
    x = 156,178,480,858.67/445,193.81
  6. Step 6: Final answer
    x = 350,810.09

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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.