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Finding the Fourth Proportional to 362,547.40, 543,605.10 and 222,406.60

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Solution

The fourth proportional to 362,547.40, 543,605.10 and 222,406.60 is: 333,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,547.40 : 543,605.10 = 222,406.60 : x
  2. Step 2: Convert to fraction form
    362,547.40/543,605.10 = 222,406.60/x
  3. Step 3: Cross multiply
    362,547.40x = 543,605.10 × 222,406.60
  4. Step 4: Simplify right side
    362,547.40x = 120,901,362,033.66
  5. Step 5: Solve for x
    x = 120,901,362,033.66/362,547.40
  6. Step 6: Final answer
    x = 333,477.39

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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.