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Finding the Fourth Proportional to 483,528.08, 667,241.58 and 289,838.87

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Solution

The fourth proportional to 483,528.08, 667,241.58 and 289,838.87 is: 399,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,528.08 : 667,241.58 = 289,838.87 : x
  2. Step 2: Convert to fraction form
    483,528.08/667,241.58 = 289,838.87/x
  3. Step 3: Cross multiply
    483,528.08x = 667,241.58 × 289,838.87
  4. Step 4: Simplify right side
    483,528.08x = 193,392,545,564.22
  5. Step 5: Solve for x
    x = 193,392,545,564.22/483,528.08
  6. Step 6: Final answer
    x = 399,961.35

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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.