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Finding the Fourth Proportional to 397,419.65, 548,157.12 and 244,256.75

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Solution

The fourth proportional to 397,419.65, 548,157.12 and 244,256.75 is: 336,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,419.65 : 548,157.12 = 244,256.75 : x
  2. Step 2: Convert to fraction form
    397,419.65/548,157.12 = 244,256.75/x
  3. Step 3: Cross multiply
    397,419.65x = 548,157.12 × 244,256.75
  4. Step 4: Simplify right side
    397,419.65x = 133,891,076,393.35
  5. Step 5: Solve for x
    x = 133,891,076,393.35/397,419.65
  6. Step 6: Final answer
    x = 336,901.00

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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.