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Finding the Fourth Proportional to 398,465.96, 597,697.34 and 117,960.36

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Solution

The fourth proportional to 398,465.96, 597,697.34 and 117,960.36 is: 176,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,465.96 : 597,697.34 = 117,960.36 : x
  2. Step 2: Convert to fraction form
    398,465.96/597,697.34 = 117,960.36/x
  3. Step 3: Cross multiply
    398,465.96x = 597,697.34 × 117,960.36
  4. Step 4: Simplify right side
    398,465.96x = 70,504,593,397.44
  5. Step 5: Solve for x
    x = 70,504,593,397.44/398,465.96
  6. Step 6: Final answer
    x = 176,940.07

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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.