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Finding the Fourth Proportional to 341,685.09, 512,576.64 and 105,047.64

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Solution

The fourth proportional to 341,685.09, 512,576.64 and 105,047.64 is: 157,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,685.09 : 512,576.64 = 105,047.64 : x
  2. Step 2: Convert to fraction form
    341,685.09/512,576.64 = 105,047.64/x
  3. Step 3: Cross multiply
    341,685.09x = 512,576.64 × 105,047.64
  4. Step 4: Simplify right side
    341,685.09x = 53,844,966,351.13
  5. Step 5: Solve for x
    x = 53,844,966,351.13/341,685.09
  6. Step 6: Final answer
    x = 157,586.53

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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.