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Finding the Fourth Proportional to 318,194, 439,096.48 and 174,953.04

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Solution

The fourth proportional to 318,194, 439,096.48 and 174,953.04 is: 241,429.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,194 : 439,096.48 = 174,953.04 : x
  2. Step 2: Convert to fraction form
    318,194/439,096.48 = 174,953.04/x
  3. Step 3: Cross multiply
    318,194x = 439,096.48 × 174,953.04
  4. Step 4: Simplify right side
    318,194x = 76,821,264,029.30
  5. Step 5: Solve for x
    x = 76,821,264,029.30/318,194
  6. Step 6: Final answer
    x = 241,429.02

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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.