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Finding the Fourth Proportional to 338,777.63, 467,513.79 and 185,817.06

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Solution

The fourth proportional to 338,777.63, 467,513.79 and 185,817.06 is: 256,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,777.63 : 467,513.79 = 185,817.06 : x
  2. Step 2: Convert to fraction form
    338,777.63/467,513.79 = 185,817.06/x
  3. Step 3: Cross multiply
    338,777.63x = 467,513.79 × 185,817.06
  4. Step 4: Simplify right side
    338,777.63x = 86,872,040,022.51
  5. Step 5: Solve for x
    x = 86,872,040,022.51/338,777.63
  6. Step 6: Final answer
    x = 256,427.91

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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.