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Finding the Fourth Proportional to 288,094.91, 397,523.43 and 160,770.20

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Solution

The fourth proportional to 288,094.91, 397,523.43 and 160,770.20 is: 221,836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,094.91 : 397,523.43 = 160,770.20 : x
  2. Step 2: Convert to fraction form
    288,094.91/397,523.43 = 160,770.20/x
  3. Step 3: Cross multiply
    288,094.91x = 397,523.43 × 160,770.20
  4. Step 4: Simplify right side
    288,094.91x = 63,909,921,345.79
  5. Step 5: Solve for x
    x = 63,909,921,345.79/288,094.91
  6. Step 6: Final answer
    x = 221,836.34

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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.