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Finding the Fourth Proportional to 338,974.51, 467,783.55 and 186,015.27

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Solution

The fourth proportional to 338,974.51, 467,783.55 and 186,015.27 is: 256,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,974.51 : 467,783.55 = 186,015.27 : x
  2. Step 2: Convert to fraction form
    338,974.51/467,783.55 = 186,015.27/x
  3. Step 3: Cross multiply
    338,974.51x = 467,783.55 × 186,015.27
  4. Step 4: Simplify right side
    338,974.51x = 87,014,883,354.81
  5. Step 5: Solve for x
    x = 87,014,883,354.81/338,974.51
  6. Step 6: Final answer
    x = 256,700.37

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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.