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Finding the Fourth Proportional to 593,903.60, 889,105.80 and 394,449.20

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Solution

The fourth proportional to 593,903.60, 889,105.80 and 394,449.20 is: 590,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,903.60 : 889,105.80 = 394,449.20 : x
  2. Step 2: Convert to fraction form
    593,903.60/889,105.80 = 394,449.20/x
  3. Step 3: Cross multiply
    593,903.60x = 889,105.80 × 394,449.20
  4. Step 4: Simplify right side
    593,903.60x = 350,707,071,525.36
  5. Step 5: Solve for x
    x = 350,707,071,525.36/593,903.60
  6. Step 6: Final answer
    x = 590,511.78

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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.