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Finding the Fourth Proportional to 471,388.48, 706,990.56 and 175,841.60

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Solution

The fourth proportional to 471,388.48, 706,990.56 and 175,841.60 is: 263,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,388.48 : 706,990.56 = 175,841.60 : x
  2. Step 2: Convert to fraction form
    471,388.48/706,990.56 = 175,841.60/x
  3. Step 3: Cross multiply
    471,388.48x = 706,990.56 × 175,841.60
  4. Step 4: Simplify right side
    471,388.48x = 124,318,351,255.30
  5. Step 5: Solve for x
    x = 124,318,351,255.30/471,388.48
  6. Step 6: Final answer
    x = 263,728.02

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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.