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Finding the Fourth Proportional to 264,724.20, 397,256.40 and 146,480.40

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Solution

The fourth proportional to 264,724.20, 397,256.40 and 146,480.40 is: 219,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,724.20 : 397,256.40 = 146,480.40 : x
  2. Step 2: Convert to fraction form
    264,724.20/397,256.40 = 146,480.40/x
  3. Step 3: Cross multiply
    264,724.20x = 397,256.40 × 146,480.40
  4. Step 4: Simplify right side
    264,724.20x = 58,190,276,374.56
  5. Step 5: Solve for x
    x = 58,190,276,374.56/264,724.20
  6. Step 6: Final answer
    x = 219,814.72

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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.