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Finding the Fourth Proportional to 384,503.20, 576,447.60 and 162,704.80

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Solution

The fourth proportional to 384,503.20, 576,447.60 and 162,704.80 is: 243,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,503.20 : 576,447.60 = 162,704.80 : x
  2. Step 2: Convert to fraction form
    384,503.20/576,447.60 = 162,704.80/x
  3. Step 3: Cross multiply
    384,503.20x = 576,447.60 × 162,704.80
  4. Step 4: Simplify right side
    384,503.20x = 93,790,791,468.48
  5. Step 5: Solve for x
    x = 93,790,791,468.48/384,503.20
  6. Step 6: Final answer
    x = 243,927.21

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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.