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Finding the Fourth Proportional to 383,774.55, 529,607.73 and 214,008.67

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Solution

The fourth proportional to 383,774.55, 529,607.73 and 214,008.67 is: 295,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,774.55 : 529,607.73 = 214,008.67 : x
  2. Step 2: Convert to fraction form
    383,774.55/529,607.73 = 214,008.67/x
  3. Step 3: Cross multiply
    383,774.55x = 529,607.73 × 214,008.67
  4. Step 4: Simplify right side
    383,774.55x = 113,340,645,919.02
  5. Step 5: Solve for x
    x = 113,340,645,919.02/383,774.55
  6. Step 6: Final answer
    x = 295,331.32

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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.