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Finding the Fourth Proportional to 389,804.38, 584,706.59 and 94,316.38

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Solution

The fourth proportional to 389,804.38, 584,706.59 and 94,316.38 is: 141,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,804.38 : 584,706.59 = 94,316.38 : x
  2. Step 2: Convert to fraction form
    389,804.38/584,706.59 = 94,316.38/x
  3. Step 3: Cross multiply
    389,804.38x = 584,706.59 × 94,316.38
  4. Step 4: Simplify right side
    389,804.38x = 55,147,408,930.94
  5. Step 5: Solve for x
    x = 55,147,408,930.94/389,804.38
  6. Step 6: Final answer
    x = 141,474.57

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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.