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Finding the Fourth Proportional to 580,942.54, 801,775.88 and 326,293.72

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Solution

The fourth proportional to 580,942.54, 801,775.88 and 326,293.72 is: 450,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,942.54 : 801,775.88 = 326,293.72 : x
  2. Step 2: Convert to fraction form
    580,942.54/801,775.88 = 326,293.72/x
  3. Step 3: Cross multiply
    580,942.54x = 801,775.88 × 326,293.72
  4. Step 4: Simplify right side
    580,942.54x = 261,614,434,491.47
  5. Step 5: Solve for x
    x = 261,614,434,491.47/580,942.54
  6. Step 6: Final answer
    x = 450,327.56

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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.