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Finding the Fourth Proportional to 551,244.44, 826,718.60 and 151,790.10

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Solution

The fourth proportional to 551,244.44, 826,718.60 and 151,790.10 is: 227,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,244.44 : 826,718.60 = 151,790.10 : x
  2. Step 2: Convert to fraction form
    551,244.44/826,718.60 = 151,790.10/x
  3. Step 3: Cross multiply
    551,244.44x = 826,718.60 × 151,790.10
  4. Step 4: Simplify right side
    551,244.44x = 125,487,698,965.86
  5. Step 5: Solve for x
    x = 125,487,698,965.86/551,244.44
  6. Step 6: Final answer
    x = 227,644.38

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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.