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Finding the Fourth Proportional to 405,383.33, 559,371.88 and 233,235.92

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Solution

The fourth proportional to 405,383.33, 559,371.88 and 233,235.92 is: 321,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,383.33 : 559,371.88 = 233,235.92 : x
  2. Step 2: Convert to fraction form
    405,383.33/559,371.88 = 233,235.92/x
  3. Step 3: Cross multiply
    405,383.33x = 559,371.88 × 233,235.92
  4. Step 4: Simplify right side
    405,383.33x = 130,465,615,053.93
  5. Step 5: Solve for x
    x = 130,465,615,053.93/405,383.33
  6. Step 6: Final answer
    x = 321,832.71

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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.