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Finding the Fourth Proportional to 383,559.10, 529,538.60 and 341,000.08

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Solution

The fourth proportional to 383,559.10, 529,538.60 and 341,000.08 is: 470,781.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,559.10 : 529,538.60 = 341,000.08 : x
  2. Step 2: Convert to fraction form
    383,559.10/529,538.60 = 341,000.08/x
  3. Step 3: Cross multiply
    383,559.10x = 529,538.60 × 341,000.08
  4. Step 4: Simplify right side
    383,559.10x = 180,572,704,491.74
  5. Step 5: Solve for x
    x = 180,572,704,491.74/383,559.10
  6. Step 6: Final answer
    x = 470,781.96

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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.