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Finding the Fourth Proportional to 362,406.80, 543,610.20 and 236,435.60

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Solution

The fourth proportional to 362,406.80, 543,610.20 and 236,435.60 is: 354,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,406.80 : 543,610.20 = 236,435.60 : x
  2. Step 2: Convert to fraction form
    362,406.80/543,610.20 = 236,435.60/x
  3. Step 3: Cross multiply
    362,406.80x = 543,610.20 × 236,435.60
  4. Step 4: Simplify right side
    362,406.80x = 128,528,803,803.12
  5. Step 5: Solve for x
    x = 128,528,803,803.12/362,406.80
  6. Step 6: Final answer
    x = 354,653.40

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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.