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Finding the Fourth Proportional to 408,439.63, 563,629.27 and 224,666.53

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Solution

The fourth proportional to 408,439.63, 563,629.27 and 224,666.53 is: 310,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,439.63 : 563,629.27 = 224,666.53 : x
  2. Step 2: Convert to fraction form
    408,439.63/563,629.27 = 224,666.53/x
  3. Step 3: Cross multiply
    408,439.63x = 563,629.27 × 224,666.53
  4. Step 4: Simplify right side
    408,439.63x = 126,628,632,297.33
  5. Step 5: Solve for x
    x = 126,628,632,297.33/408,439.63
  6. Step 6: Final answer
    x = 310,030.23

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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.