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Finding the Fourth Proportional to 461,722.08, 637,186.56 and 254,989.86

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Solution

The fourth proportional to 461,722.08, 637,186.56 and 254,989.86 is: 351,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,722.08 : 637,186.56 = 254,989.86 : x
  2. Step 2: Convert to fraction form
    461,722.08/637,186.56 = 254,989.86/x
  3. Step 3: Cross multiply
    461,722.08x = 637,186.56 × 254,989.86
  4. Step 4: Simplify right side
    461,722.08x = 162,476,111,728.28
  5. Step 5: Solve for x
    x = 162,476,111,728.28/461,722.08
  6. Step 6: Final answer
    x = 351,891.58

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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.