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Finding the Fourth Proportional to 443,460.35, 665,190.53 and 111,036.35

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Solution

The fourth proportional to 443,460.35, 665,190.53 and 111,036.35 is: 166,554.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,460.35 : 665,190.53 = 111,036.35 : x
  2. Step 2: Convert to fraction form
    443,460.35/665,190.53 = 111,036.35/x
  3. Step 3: Cross multiply
    443,460.35x = 665,190.53 × 111,036.35
  4. Step 4: Simplify right side
    443,460.35x = 73,860,327,950.58
  5. Step 5: Solve for x
    x = 73,860,327,950.58/443,460.35
  6. Step 6: Final answer
    x = 166,554.53

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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.