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Finding the Fourth Proportional to 362,087.80, 543,131.70 and 151,703.80

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Solution

The fourth proportional to 362,087.80, 543,131.70 and 151,703.80 is: 227,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,087.80 : 543,131.70 = 151,703.80 : x
  2. Step 2: Convert to fraction form
    362,087.80/543,131.70 = 151,703.80/x
  3. Step 3: Cross multiply
    362,087.80x = 543,131.70 × 151,703.80
  4. Step 4: Simplify right side
    362,087.80x = 82,395,142,790.46
  5. Step 5: Solve for x
    x = 82,395,142,790.46/362,087.80
  6. Step 6: Final answer
    x = 227,555.70

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1.5x scale

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.