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Finding the Fourth Proportional to 303,667.56, 455,777.79 and 161,632.14

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Solution

The fourth proportional to 303,667.56, 455,777.79 and 161,632.14 is: 242,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,667.56 : 455,777.79 = 161,632.14 : x
  2. Step 2: Convert to fraction form
    303,667.56/455,777.79 = 161,632.14/x
  3. Step 3: Cross multiply
    303,667.56x = 455,777.79 × 161,632.14
  4. Step 4: Simplify right side
    303,667.56x = 73,668,339,562.17
  5. Step 5: Solve for x
    x = 73,668,339,562.17/303,667.56
  6. Step 6: Final answer
    x = 242,595.36

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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.