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Finding the Fourth Proportional to 384,009.08, 529,932.66 and 214,239.56

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Solution

The fourth proportional to 384,009.08, 529,932.66 and 214,239.56 is: 295,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,009.08 : 529,932.66 = 214,239.56 : x
  2. Step 2: Convert to fraction form
    384,009.08/529,932.66 = 214,239.56/x
  3. Step 3: Cross multiply
    384,009.08x = 529,932.66 × 214,239.56
  4. Step 4: Simplify right side
    384,009.08x = 113,532,539,908.03
  5. Step 5: Solve for x
    x = 113,532,539,908.03/384,009.08
  6. Step 6: Final answer
    x = 295,650.67

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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.