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Finding the Fourth Proportional to 628,998, 943,497 and 185,800.56

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Solution

The fourth proportional to 628,998, 943,497 and 185,800.56 is: 278,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,998 : 943,497 = 185,800.56 : x
  2. Step 2: Convert to fraction form
    628,998/943,497 = 185,800.56/x
  3. Step 3: Cross multiply
    628,998x = 943,497 × 185,800.56
  4. Step 4: Simplify right side
    628,998x = 175,302,270,958.32
  5. Step 5: Solve for x
    x = 175,302,270,958.32/628,998
  6. Step 6: Final answer
    x = 278,700.84

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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.