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Finding the Fourth Proportional to 362,763.36, 543,240 and 229,240.80

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Solution

The fourth proportional to 362,763.36, 543,240 and 229,240.80 is: 343,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,763.36 : 543,240 = 229,240.80 : x
  2. Step 2: Convert to fraction form
    362,763.36/543,240 = 229,240.80/x
  3. Step 3: Cross multiply
    362,763.36x = 543,240 × 229,240.80
  4. Step 4: Simplify right side
    362,763.36x = 124,532,772,192
  5. Step 5: Solve for x
    x = 124,532,772,192/362,763.36
  6. Step 6: Final answer
    x = 343,289.28

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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.