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Finding the Fourth Proportional to 288,924.61, 398,706.33 and 159,863.34

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Solution

The fourth proportional to 288,924.61, 398,706.33 and 159,863.34 is: 220,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,924.61 : 398,706.33 = 159,863.34 : x
  2. Step 2: Convert to fraction form
    288,924.61/398,706.33 = 159,863.34/x
  3. Step 3: Cross multiply
    288,924.61x = 398,706.33 × 159,863.34
  4. Step 4: Simplify right side
    288,924.61x = 63,738,524,056.37
  5. Step 5: Solve for x
    x = 63,738,524,056.37/288,924.61
  6. Step 6: Final answer
    x = 220,606.07

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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.