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Finding the Fourth Proportional to 326,140.08, 450,094.59 and 188,324.82

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Solution

The fourth proportional to 326,140.08, 450,094.59 and 188,324.82 is: 259,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,140.08 : 450,094.59 = 188,324.82 : x
  2. Step 2: Convert to fraction form
    326,140.08/450,094.59 = 188,324.82/x
  3. Step 3: Cross multiply
    326,140.08x = 450,094.59 × 188,324.82
  4. Step 4: Simplify right side
    326,140.08x = 84,763,982,644.72
  5. Step 5: Solve for x
    x = 84,763,982,644.72/326,140.08
  6. Step 6: Final answer
    x = 259,900.54

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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.