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Finding the Fourth Proportional to 469,956.69, 704,962.44 and 132,969.15

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Solution

The fourth proportional to 469,956.69, 704,962.44 and 132,969.15 is: 199,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,956.69 : 704,962.44 = 132,969.15 : x
  2. Step 2: Convert to fraction form
    469,956.69/704,962.44 = 132,969.15/x
  3. Step 3: Cross multiply
    469,956.69x = 704,962.44 × 132,969.15
  4. Step 4: Simplify right side
    469,956.69x = 93,738,256,428.73
  5. Step 5: Solve for x
    x = 93,738,256,428.73/469,956.69
  6. Step 6: Final answer
    x = 199,461.48

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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.