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Finding the Fourth Proportional to 346,696.40, 520,044.60 and 110,057.60

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Solution

The fourth proportional to 346,696.40, 520,044.60 and 110,057.60 is: 165,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,696.40 : 520,044.60 = 110,057.60 : x
  2. Step 2: Convert to fraction form
    346,696.40/520,044.60 = 110,057.60/x
  3. Step 3: Cross multiply
    346,696.40x = 520,044.60 × 110,057.60
  4. Step 4: Simplify right side
    346,696.40x = 57,234,860,568.96
  5. Step 5: Solve for x
    x = 57,234,860,568.96/346,696.40
  6. Step 6: Final answer
    x = 165,086.40

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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.