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Finding the Fourth Proportional to 383,994.66, 575,524.80 and 271,707.18

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Solution

The fourth proportional to 383,994.66, 575,524.80 and 271,707.18 is: 407,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,994.66 : 575,524.80 = 271,707.18 : x
  2. Step 2: Convert to fraction form
    383,994.66/575,524.80 = 271,707.18/x
  3. Step 3: Cross multiply
    383,994.66x = 575,524.80 × 271,707.18
  4. Step 4: Simplify right side
    383,994.66x = 156,374,220,428.06
  5. Step 5: Solve for x
    x = 156,374,220,428.06/383,994.66
  6. Step 6: Final answer
    x = 407,230.20

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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.