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Finding the Fourth Proportional to 455,277.84, 682,756.42 and 151,589.53

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Solution

The fourth proportional to 455,277.84, 682,756.42 and 151,589.53 is: 227,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,277.84 : 682,756.42 = 151,589.53 : x
  2. Step 2: Convert to fraction form
    455,277.84/682,756.42 = 151,589.53/x
  3. Step 3: Cross multiply
    455,277.84x = 682,756.42 × 151,589.53
  4. Step 4: Simplify right side
    455,277.84x = 103,498,724,054.34
  5. Step 5: Solve for x
    x = 103,498,724,054.34/455,277.84
  6. Step 6: Final answer
    x = 227,330.91

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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.