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Finding the Fourth Proportional to 408,728.14, 563,725.32 and 265,534.32

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Solution

The fourth proportional to 408,728.14, 563,725.32 and 265,534.32 is: 366,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,728.14 : 563,725.32 = 265,534.32 : x
  2. Step 2: Convert to fraction form
    408,728.14/563,725.32 = 265,534.32/x
  3. Step 3: Cross multiply
    408,728.14x = 563,725.32 × 265,534.32
  4. Step 4: Simplify right side
    408,728.14x = 149,688,419,512.98
  5. Step 5: Solve for x
    x = 149,688,419,512.98/408,728.14
  6. Step 6: Final answer
    x = 366,229.79

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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.