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Finding the Fourth Proportional to 454,306.69, 626,944.14 and 273,021.40

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Solution

The fourth proportional to 454,306.69, 626,944.14 and 273,021.40 is: 376,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,306.69 : 626,944.14 = 273,021.40 : x
  2. Step 2: Convert to fraction form
    454,306.69/626,944.14 = 273,021.40/x
  3. Step 3: Cross multiply
    454,306.69x = 626,944.14 × 273,021.40
  4. Step 4: Simplify right side
    454,306.69x = 171,169,166,824.60
  5. Step 5: Solve for x
    x = 171,169,166,824.60/454,306.69
  6. Step 6: Final answer
    x = 376,770.08

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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.