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Finding the Fourth Proportional to 383,573.17, 529,557.76 and 341,013.89

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Solution

The fourth proportional to 383,573.17, 529,557.76 and 341,013.89 is: 470,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,573.17 : 529,557.76 = 341,013.89 : x
  2. Step 2: Convert to fraction form
    383,573.17/529,557.76 = 341,013.89/x
  3. Step 3: Cross multiply
    383,573.17x = 529,557.76 × 341,013.89
  4. Step 4: Simplify right side
    383,573.17x = 180,586,551,717.29
  5. Step 5: Solve for x
    x = 180,586,551,717.29/383,573.17
  6. Step 6: Final answer
    x = 470,800.79

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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.