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Finding the Fourth Proportional to 282,496.82, 423,745.22 and 177,389.60

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Solution

The fourth proportional to 282,496.82, 423,745.22 and 177,389.60 is: 266,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,496.82 : 423,745.22 = 177,389.60 : x
  2. Step 2: Convert to fraction form
    282,496.82/423,745.22 = 177,389.60/x
  3. Step 3: Cross multiply
    282,496.82x = 423,745.22 × 177,389.60
  4. Step 4: Simplify right side
    282,496.82x = 75,167,993,402.46
  5. Step 5: Solve for x
    x = 75,167,993,402.46/282,496.82
  6. Step 6: Final answer
    x = 266,084.39

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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.