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Finding the Fourth Proportional to 605,840.34, 836,048.80 and 330,200.67

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Solution

The fourth proportional to 605,840.34, 836,048.80 and 330,200.67 is: 455,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,840.34 : 836,048.80 = 330,200.67 : x
  2. Step 2: Convert to fraction form
    605,840.34/836,048.80 = 330,200.67/x
  3. Step 3: Cross multiply
    605,840.34x = 836,048.80 × 330,200.67
  4. Step 4: Simplify right side
    605,840.34x = 276,063,873,912.70
  5. Step 5: Solve for x
    x = 276,063,873,912.70/605,840.34
  6. Step 6: Final answer
    x = 455,671.00

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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.