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Finding the Fourth Proportional to 383,953.77, 529,855.43 and 214,177.77

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Solution

The fourth proportional to 383,953.77, 529,855.43 and 214,177.77 is: 295,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,953.77 : 529,855.43 = 214,177.77 : x
  2. Step 2: Convert to fraction form
    383,953.77/529,855.43 = 214,177.77/x
  3. Step 3: Cross multiply
    383,953.77x = 529,855.43 × 214,177.77
  4. Step 4: Simplify right side
    383,953.77x = 113,483,253,348.90
  5. Step 5: Solve for x
    x = 113,483,253,348.90/383,953.77
  6. Step 6: Final answer
    x = 295,564.89

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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.