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Finding the Fourth Proportional to 321,421.77, 482,222.94 and 119,014.83

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Solution

The fourth proportional to 321,421.77, 482,222.94 and 119,014.83 is: 178,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,421.77 : 482,222.94 = 119,014.83 : x
  2. Step 2: Convert to fraction form
    321,421.77/482,222.94 = 119,014.83/x
  3. Step 3: Cross multiply
    321,421.77x = 482,222.94 × 119,014.83
  4. Step 4: Simplify right side
    321,421.77x = 57,391,681,226.20
  5. Step 5: Solve for x
    x = 57,391,681,226.20/321,421.77
  6. Step 6: Final answer
    x = 178,555.68

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1.5x scale

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.