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Finding the Fourth Proportional to 294,021.69, 440,991 and 94,316.15

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Solution

The fourth proportional to 294,021.69, 440,991 and 94,316.15 is: 141,460.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,021.69 : 440,991 = 94,316.15 : x
  2. Step 2: Convert to fraction form
    294,021.69/440,991 = 94,316.15/x
  3. Step 3: Cross multiply
    294,021.69x = 440,991 × 94,316.15
  4. Step 4: Simplify right side
    294,021.69x = 41,592,571,099.70
  5. Step 5: Solve for x
    x = 41,592,571,099.70/294,021.69
  6. Step 6: Final answer
    x = 141,460.89

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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.