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Finding the Fourth Proportional to 371,804.58, 557,607.24 and 161,392.50

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Solution

The fourth proportional to 371,804.58, 557,607.24 and 161,392.50 is: 242,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,804.58 : 557,607.24 = 161,392.50 : x
  2. Step 2: Convert to fraction form
    371,804.58/557,607.24 = 161,392.50/x
  3. Step 3: Cross multiply
    371,804.58x = 557,607.24 × 161,392.50
  4. Step 4: Simplify right side
    371,804.58x = 89,993,626,481.70
  5. Step 5: Solve for x
    x = 89,993,626,481.70/371,804.58
  6. Step 6: Final answer
    x = 242,045.50

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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.