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Finding the Fourth Proportional to 481,103.56, 663,924.64 and 260,340.84

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Solution

The fourth proportional to 481,103.56, 663,924.64 and 260,340.84 is: 359,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,103.56 : 663,924.64 = 260,340.84 : x
  2. Step 2: Convert to fraction form
    481,103.56/663,924.64 = 260,340.84/x
  3. Step 3: Cross multiply
    481,103.56x = 663,924.64 × 260,340.84
  4. Step 4: Simplify right side
    481,103.56x = 172,846,698,474.30
  5. Step 5: Solve for x
    x = 172,846,698,474.30/481,103.56
  6. Step 6: Final answer
    x = 359,271.29

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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.