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Finding the Fourth Proportional to 284,882.55, 393,258.97 and 177,505.64

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Solution

The fourth proportional to 284,882.55, 393,258.97 and 177,505.64 is: 245,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,882.55 : 393,258.97 = 177,505.64 : x
  2. Step 2: Convert to fraction form
    284,882.55/393,258.97 = 177,505.64/x
  3. Step 3: Cross multiply
    284,882.55x = 393,258.97 × 177,505.64
  4. Step 4: Simplify right side
    284,882.55x = 69,805,683,902.75
  5. Step 5: Solve for x
    x = 69,805,683,902.75/284,882.55
  6. Step 6: Final answer
    x = 245,033.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.