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Finding the Fourth Proportional to 300,669.63, 450,678.42 and 150,548.01

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Solution

The fourth proportional to 300,669.63, 450,678.42 and 150,548.01 is: 225,658.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,669.63 : 450,678.42 = 150,548.01 : x
  2. Step 2: Convert to fraction form
    300,669.63/450,678.42 = 150,548.01/x
  3. Step 3: Cross multiply
    300,669.63x = 450,678.42 × 150,548.01
  4. Step 4: Simplify right side
    300,669.63x = 67,848,739,280.94
  5. Step 5: Solve for x
    x = 67,848,739,280.94/300,669.63
  6. Step 6: Final answer
    x = 225,658.77

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1.5x scale

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.