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Finding the Fourth Proportional to 383,575.17, 529,560.52 and 341,015.89

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Solution

The fourth proportional to 383,575.17, 529,560.52 and 341,015.89 is: 470,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,575.17 : 529,560.52 = 341,015.89 : x
  2. Step 2: Convert to fraction form
    383,575.17/529,560.52 = 341,015.89/x
  3. Step 3: Cross multiply
    383,575.17x = 529,560.52 × 341,015.89
  4. Step 4: Simplify right side
    383,575.17x = 180,588,552,036.66
  5. Step 5: Solve for x
    x = 180,588,552,036.66/383,575.17
  6. Step 6: Final answer
    x = 470,803.55

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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.