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Finding the Fourth Proportional to 339,352.50, 468,347.76 and 196,113.72

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Solution

The fourth proportional to 339,352.50, 468,347.76 and 196,113.72 is: 270,660.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,352.50 : 468,347.76 = 196,113.72 : x
  2. Step 2: Convert to fraction form
    339,352.50/468,347.76 = 196,113.72/x
  3. Step 3: Cross multiply
    339,352.50x = 468,347.76 × 196,113.72
  4. Step 4: Simplify right side
    339,352.50x = 91,849,421,467.27
  5. Step 5: Solve for x
    x = 91,849,421,467.27/339,352.50
  6. Step 6: Final answer
    x = 270,660.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.