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Finding the Fourth Proportional to 288,161.64, 397,667.43 and 160,846.92

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Solution

The fourth proportional to 288,161.64, 397,667.43 and 160,846.92 is: 221,971.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,161.64 : 397,667.43 = 160,846.92 : x
  2. Step 2: Convert to fraction form
    288,161.64/397,667.43 = 160,846.92/x
  3. Step 3: Cross multiply
    288,161.64x = 397,667.43 × 160,846.92
  4. Step 4: Simplify right side
    288,161.64x = 63,963,581,299.82
  5. Step 5: Solve for x
    x = 63,963,581,299.82/288,161.64
  6. Step 6: Final answer
    x = 221,971.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.