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Finding the Fourth Proportional to 483,388.34, 667,094.83 and 330,746.68

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Solution

The fourth proportional to 483,388.34, 667,094.83 and 330,746.68 is: 456,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,388.34 : 667,094.83 = 330,746.68 : x
  2. Step 2: Convert to fraction form
    483,388.34/667,094.83 = 330,746.68/x
  3. Step 3: Cross multiply
    483,388.34x = 667,094.83 × 330,746.68
  4. Step 4: Simplify right side
    483,388.34x = 220,639,397,773.06
  5. Step 5: Solve for x
    x = 220,639,397,773.06/483,388.34
  6. Step 6: Final answer
    x = 456,443.36

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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.