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Finding the Fourth Proportional to 300,633.04, 450,933.76 and 100,957.51

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Solution

The fourth proportional to 300,633.04, 450,933.76 and 100,957.51 is: 151,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,633.04 : 450,933.76 = 100,957.51 : x
  2. Step 2: Convert to fraction form
    300,633.04/450,933.76 = 100,957.51/x
  3. Step 3: Cross multiply
    300,633.04x = 450,933.76 × 100,957.51
  4. Step 4: Simplify right side
    300,633.04x = 45,525,149,584.54
  5. Step 5: Solve for x
    x = 45,525,149,584.54/300,633.04
  6. Step 6: Final answer
    x = 151,430.96

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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.