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Finding the Fourth Proportional to 619,332.41, 928,775.86 and 214,414.67

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Solution

The fourth proportional to 619,332.41, 928,775.86 and 214,414.67 is: 321,544.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,332.41 : 928,775.86 = 214,414.67 : x
  2. Step 2: Convert to fraction form
    619,332.41/928,775.86 = 214,414.67/x
  3. Step 3: Cross multiply
    619,332.41x = 928,775.86 × 214,414.67
  4. Step 4: Simplify right side
    619,332.41x = 199,143,169,525.87
  5. Step 5: Solve for x
    x = 199,143,169,525.87/619,332.41
  6. Step 6: Final answer
    x = 321,544.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.