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Finding the Fourth Proportional to 383,560.52, 529,540.59 and 341,001.50

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Solution

The fourth proportional to 383,560.52, 529,540.59 and 341,001.50 is: 470,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,560.52 : 529,540.59 = 341,001.50 : x
  2. Step 2: Convert to fraction form
    383,560.52/529,540.59 = 341,001.50/x
  3. Step 3: Cross multiply
    383,560.52x = 529,540.59 × 341,001.50
  4. Step 4: Simplify right side
    383,560.52x = 180,574,132,853.18
  5. Step 5: Solve for x
    x = 180,574,132,853.18/383,560.52
  6. Step 6: Final answer
    x = 470,783.95

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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.