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Finding the Fourth Proportional to 362,464.80, 543,697.20 and 236,493.60

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Solution

The fourth proportional to 362,464.80, 543,697.20 and 236,493.60 is: 354,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,464.80 : 543,697.20 = 236,493.60 : x
  2. Step 2: Convert to fraction form
    362,464.80/543,697.20 = 236,493.60/x
  3. Step 3: Cross multiply
    362,464.80x = 543,697.20 × 236,493.60
  4. Step 4: Simplify right side
    362,464.80x = 128,580,908,137.92
  5. Step 5: Solve for x
    x = 128,580,908,137.92/362,464.80
  6. Step 6: Final answer
    x = 354,740.40

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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.