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Finding the Fourth Proportional to 647,732.67, 971,316.83 and 344,060.37

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Solution

The fourth proportional to 647,732.67, 971,316.83 and 344,060.37 is: 515,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,732.67 : 971,316.83 = 344,060.37 : x
  2. Step 2: Convert to fraction form
    647,732.67/971,316.83 = 344,060.37/x
  3. Step 3: Cross multiply
    647,732.67x = 971,316.83 × 344,060.37
  4. Step 4: Simplify right side
    647,732.67x = 334,191,631,774.50
  5. Step 5: Solve for x
    x = 334,191,631,774.50/647,732.67
  6. Step 6: Final answer
    x = 515,940.67

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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.