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Finding the Fourth Proportional to 503,051.42, 754,577.67 and 129,074.42

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Solution

The fourth proportional to 503,051.42, 754,577.67 and 129,074.42 is: 193,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,051.42 : 754,577.67 = 129,074.42 : x
  2. Step 2: Convert to fraction form
    503,051.42/754,577.67 = 129,074.42/x
  3. Step 3: Cross multiply
    503,051.42x = 754,577.67 × 129,074.42
  4. Step 4: Simplify right side
    503,051.42x = 97,396,675,100.20
  5. Step 5: Solve for x
    x = 97,396,675,100.20/503,051.42
  6. Step 6: Final answer
    x = 193,611.77

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Similar ratio
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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.