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Finding the Fourth Proportional to 383,580.95, 529,568.51 and 341,021.71

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Solution

The fourth proportional to 383,580.95, 529,568.51 and 341,021.71 is: 470,811.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,580.95 : 529,568.51 = 341,021.71 : x
  2. Step 2: Convert to fraction form
    383,580.95/529,568.51 = 341,021.71/x
  3. Step 3: Cross multiply
    383,580.95x = 529,568.51 × 341,021.71
  4. Step 4: Simplify right side
    383,580.95x = 180,594,358,682.24
  5. Step 5: Solve for x
    x = 180,594,358,682.24/383,580.95
  6. Step 6: Final answer
    x = 470,811.59

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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.