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Finding the Fourth Proportional to 284,759.20, 426,847.20 and 166,369.60

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Solution

The fourth proportional to 284,759.20, 426,847.20 and 166,369.60 is: 249,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,759.20 : 426,847.20 = 166,369.60 : x
  2. Step 2: Convert to fraction form
    284,759.20/426,847.20 = 166,369.60/x
  3. Step 3: Cross multiply
    284,759.20x = 426,847.20 × 166,369.60
  4. Step 4: Simplify right side
    284,759.20x = 71,014,397,925.12
  5. Step 5: Solve for x
    x = 71,014,397,925.12/284,759.20
  6. Step 6: Final answer
    x = 249,384.03

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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.