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Finding the Fourth Proportional to 384,541.35, 576,813.45 and 118,300.02

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Solution

The fourth proportional to 384,541.35, 576,813.45 and 118,300.02 is: 177,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,541.35 : 576,813.45 = 118,300.02 : x
  2. Step 2: Convert to fraction form
    384,541.35/576,813.45 = 118,300.02/x
  3. Step 3: Cross multiply
    384,541.35x = 576,813.45 × 118,300.02
  4. Step 4: Simplify right side
    384,541.35x = 68,237,042,671.27
  5. Step 5: Solve for x
    x = 68,237,042,671.27/384,541.35
  6. Step 6: Final answer
    x = 177,450.47

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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.