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Finding the Fourth Proportional to 446,492.24, 669,830.60 and 146,990.84

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Solution

The fourth proportional to 446,492.24, 669,830.60 and 146,990.84 is: 220,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,492.24 : 669,830.60 = 146,990.84 : x
  2. Step 2: Convert to fraction form
    446,492.24/669,830.60 = 146,990.84/x
  3. Step 3: Cross multiply
    446,492.24x = 669,830.60 × 146,990.84
  4. Step 4: Simplify right side
    446,492.24x = 98,458,962,551.70
  5. Step 5: Solve for x
    x = 98,458,962,551.70/446,492.24
  6. Step 6: Final answer
    x = 220,516.63

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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.