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Finding the Fourth Proportional to 383,600.46, 529,595.43 and 341,041.20

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Solution

The fourth proportional to 383,600.46, 529,595.43 and 341,041.20 is: 470,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,600.46 : 529,595.43 = 341,041.20 : x
  2. Step 2: Convert to fraction form
    383,600.46/529,595.43 = 341,041.20/x
  3. Step 3: Cross multiply
    383,600.46x = 529,595.43 × 341,041.20
  4. Step 4: Simplify right side
    383,600.46x = 180,613,860,961.72
  5. Step 5: Solve for x
    x = 180,613,860,961.72/383,600.46
  6. Step 6: Final answer
    x = 470,838.49

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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.