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Finding the Fourth Proportional to 621,832.45, 932,644.32 and 172,598.97

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Solution

The fourth proportional to 621,832.45, 932,644.32 and 172,598.97 is: 258,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,832.45 : 932,644.32 = 172,598.97 : x
  2. Step 2: Convert to fraction form
    621,832.45/932,644.32 = 172,598.97/x
  3. Step 3: Cross multiply
    621,832.45x = 932,644.32 × 172,598.97
  4. Step 4: Simplify right side
    621,832.45x = 160,973,449,008.35
  5. Step 5: Solve for x
    x = 160,973,449,008.35/621,832.45
  6. Step 6: Final answer
    x = 258,869.49

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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.