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Finding the Fourth Proportional to 302,576.55, 453,733.60 and 102,843.30

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Solution

The fourth proportional to 302,576.55, 453,733.60 and 102,843.30 is: 154,220.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,576.55 : 453,733.60 = 102,843.30 : x
  2. Step 2: Convert to fraction form
    302,576.55/453,733.60 = 102,843.30/x
  3. Step 3: Cross multiply
    302,576.55x = 453,733.60 × 102,843.30
  4. Step 4: Simplify right side
    302,576.55x = 46,663,462,382.10
  5. Step 5: Solve for x
    x = 46,663,462,382.10/302,576.55
  6. Step 6: Final answer
    x = 154,220.36

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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.