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Finding the Fourth Proportional to 713,676.76, 1,070,516.94 and 240,694.36

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Solution

The fourth proportional to 713,676.76, 1,070,516.94 and 240,694.36 is: 361,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,676.76 : 1,070,516.94 = 240,694.36 : x
  2. Step 2: Convert to fraction form
    713,676.76/1,070,516.94 = 240,694.36/x
  3. Step 3: Cross multiply
    713,676.76x = 1,070,516.94 × 240,694.36
  4. Step 4: Simplify right side
    713,676.76x = 257,667,389,742.46
  5. Step 5: Solve for x
    x = 257,667,389,742.46/713,676.76
  6. Step 6: Final answer
    x = 361,042.15

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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.