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Finding the Fourth Proportional to 284,585.20, 426,586.20 and 166,195.60

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Solution

The fourth proportional to 284,585.20, 426,586.20 and 166,195.60 is: 249,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,585.20 : 426,586.20 = 166,195.60 : x
  2. Step 2: Convert to fraction form
    284,585.20/426,586.20 = 166,195.60/x
  3. Step 3: Cross multiply
    284,585.20x = 426,586.20 × 166,195.60
  4. Step 4: Simplify right side
    284,585.20x = 70,896,749,460.72
  5. Step 5: Solve for x
    x = 70,896,749,460.72/284,585.20
  6. Step 6: Final answer
    x = 249,123.11

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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.