Home / 362,173.20-543,332.70-303,415.80

Finding the Fourth Proportional to 362,173.20, 543,332.70 and 303,415.80

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Solution

The fourth proportional to 362,173.20, 543,332.70 and 303,415.80 is: 455,184.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,173.20 : 543,332.70 = 303,415.80 : x
  2. Step 2: Convert to fraction form
    362,173.20/543,332.70 = 303,415.80/x
  3. Step 3: Cross multiply
    362,173.20x = 543,332.70 × 303,415.80
  4. Step 4: Simplify right side
    362,173.20x = 164,855,725,836.66
  5. Step 5: Solve for x
    x = 164,855,725,836.66/362,173.20
  6. Step 6: Final answer
    x = 455,184.77

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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.