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Finding the Fourth Proportional to 362,435.80, 542,616.90 and 362,435.80

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Solution

The fourth proportional to 362,435.80, 542,616.90 and 362,435.80 is: 542,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,435.80 : 542,616.90 = 362,435.80 : x
  2. Step 2: Convert to fraction form
    362,435.80/542,616.90 = 362,435.80/x
  3. Step 3: Cross multiply
    362,435.80x = 542,616.90 × 362,435.80
  4. Step 4: Simplify right side
    362,435.80x = 196,663,790,245.02
  5. Step 5: Solve for x
    x = 196,663,790,245.02/362,435.80
  6. Step 6: Final answer
    x = 542,616.90

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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.