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Finding the Fourth Proportional to 483,793.64, 725,595.68 and 459,789.56

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Solution

The fourth proportional to 483,793.64, 725,595.68 and 459,789.56 is: 689,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,793.64 : 725,595.68 = 459,789.56 : x
  2. Step 2: Convert to fraction form
    483,793.64/725,595.68 = 459,789.56/x
  3. Step 3: Cross multiply
    483,793.64x = 725,595.68 × 459,789.56
  4. Step 4: Simplify right side
    483,793.64x = 333,621,318,445.10
  5. Step 5: Solve for x
    x = 333,621,318,445.10/483,793.64
  6. Step 6: Final answer
    x = 689,594.26

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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.