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Finding the Fourth Proportional to 334,425.99, 461,357.17 and 198,465.67

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Solution

The fourth proportional to 334,425.99, 461,357.17 and 198,465.67 is: 273,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,425.99 : 461,357.17 = 198,465.67 : x
  2. Step 2: Convert to fraction form
    334,425.99/461,357.17 = 198,465.67/x
  3. Step 3: Cross multiply
    334,425.99x = 461,357.17 × 198,465.67
  4. Step 4: Simplify right side
    334,425.99x = 91,563,559,853.35
  5. Step 5: Solve for x
    x = 91,563,559,853.35/334,425.99
  6. Step 6: Final answer
    x = 273,793.19

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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.