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Finding the Fourth Proportional to 339,352, 468,347.07 and 196,113.22

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Solution

The fourth proportional to 339,352, 468,347.07 and 196,113.22 is: 270,660.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,352 : 468,347.07 = 196,113.22 : x
  2. Step 2: Convert to fraction form
    339,352/468,347.07 = 196,113.22/x
  3. Step 3: Cross multiply
    339,352x = 468,347.07 × 196,113.22
  4. Step 4: Simplify right side
    339,352x = 91,849,051,975.27
  5. Step 5: Solve for x
    x = 91,849,051,975.27/339,352
  6. Step 6: Final answer
    x = 270,660.12

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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.