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Finding the Fourth Proportional to 353,611.16, 530,466.23 and 113,644.42

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Solution

The fourth proportional to 353,611.16, 530,466.23 and 113,644.42 is: 170,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,611.16 : 530,466.23 = 113,644.42 : x
  2. Step 2: Convert to fraction form
    353,611.16/530,466.23 = 113,644.42/x
  3. Step 3: Cross multiply
    353,611.16x = 530,466.23 × 113,644.42
  4. Step 4: Simplify right side
    353,611.16x = 60,284,527,037.94
  5. Step 5: Solve for x
    x = 60,284,527,037.94/353,611.16
  6. Step 6: Final answer
    x = 170,482.54

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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.