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Finding the Fourth Proportional to 362,461.80, 543,692.70 and 236,490.60

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Solution

The fourth proportional to 362,461.80, 543,692.70 and 236,490.60 is: 354,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,461.80 : 543,692.70 = 236,490.60 : x
  2. Step 2: Convert to fraction form
    362,461.80/543,692.70 = 236,490.60/x
  3. Step 3: Cross multiply
    362,461.80x = 543,692.70 × 236,490.60
  4. Step 4: Simplify right side
    362,461.80x = 128,578,212,838.62
  5. Step 5: Solve for x
    x = 128,578,212,838.62/362,461.80
  6. Step 6: Final answer
    x = 354,735.90

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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.