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Finding the Fourth Proportional to 653,622.54, 901,859.18 and 381,566.96

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Solution

The fourth proportional to 653,622.54, 901,859.18 and 381,566.96 is: 526,480.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,622.54 : 901,859.18 = 381,566.96 : x
  2. Step 2: Convert to fraction form
    653,622.54/901,859.18 = 381,566.96/x
  3. Step 3: Cross multiply
    653,622.54x = 901,859.18 × 381,566.96
  4. Step 4: Simplify right side
    653,622.54x = 344,119,665,660.69
  5. Step 5: Solve for x
    x = 344,119,665,660.69/653,622.54
  6. Step 6: Final answer
    x = 526,480.72

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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.