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Finding the Fourth Proportional to 400,843.05, 601,264.43 and 160,956.89

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Solution

The fourth proportional to 400,843.05, 601,264.43 and 160,956.89 is: 241,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,843.05 : 601,264.43 = 160,956.89 : x
  2. Step 2: Convert to fraction form
    400,843.05/601,264.43 = 160,956.89/x
  3. Step 3: Cross multiply
    400,843.05x = 601,264.43 × 160,956.89
  4. Step 4: Simplify right side
    400,843.05x = 96,777,648,909.32
  5. Step 5: Solve for x
    x = 96,777,648,909.32/400,843.05
  6. Step 6: Final answer
    x = 241,435.27

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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.