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Finding the Fourth Proportional to 330,627.87, 456,523.92 and 254,025.45

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Solution

The fourth proportional to 330,627.87, 456,523.92 and 254,025.45 is: 350,752.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,627.87 : 456,523.92 = 254,025.45 : x
  2. Step 2: Convert to fraction form
    330,627.87/456,523.92 = 254,025.45/x
  3. Step 3: Cross multiply
    330,627.87x = 456,523.92 × 254,025.45
  4. Step 4: Simplify right side
    330,627.87x = 115,968,694,213.76
  5. Step 5: Solve for x
    x = 115,968,694,213.76/330,627.87
  6. Step 6: Final answer
    x = 350,752.93

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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.