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Finding the Fourth Proportional to 463,945.92, 640,234.92 and 270,341.64

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Solution

The fourth proportional to 463,945.92, 640,234.92 and 270,341.64 is: 373,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,945.92 : 640,234.92 = 270,341.64 : x
  2. Step 2: Convert to fraction form
    463,945.92/640,234.92 = 270,341.64/x
  3. Step 3: Cross multiply
    463,945.92x = 640,234.92 × 270,341.64
  4. Step 4: Simplify right side
    463,945.92x = 173,082,158,258.07
  5. Step 5: Solve for x
    x = 173,082,158,258.07/463,945.92
  6. Step 6: Final answer
    x = 373,065.37

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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.