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Finding the Fourth Proportional to 398,410.80, 597,601.80 and 161,746.80

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Solution

The fourth proportional to 398,410.80, 597,601.80 and 161,746.80 is: 242,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,410.80 : 597,601.80 = 161,746.80 : x
  2. Step 2: Convert to fraction form
    398,410.80/597,601.80 = 161,746.80/x
  3. Step 3: Cross multiply
    398,410.80x = 597,601.80 × 161,746.80
  4. Step 4: Simplify right side
    398,410.80x = 96,660,178,824.24
  5. Step 5: Solve for x
    x = 96,660,178,824.24/398,410.80
  6. Step 6: Final answer
    x = 242,614.35

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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.