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Finding the Fourth Proportional to 580,160.52, 800,620.74 and 325,535.40

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Solution

The fourth proportional to 580,160.52, 800,620.74 and 325,535.40 is: 449,238.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,160.52 : 800,620.74 = 325,535.40 : x
  2. Step 2: Convert to fraction form
    580,160.52/800,620.74 = 325,535.40/x
  3. Step 3: Cross multiply
    580,160.52x = 800,620.74 × 325,535.40
  4. Step 4: Simplify right side
    580,160.52x = 260,630,392,844.20
  5. Step 5: Solve for x
    x = 260,630,392,844.20/580,160.52
  6. Step 6: Final answer
    x = 449,238.42

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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.