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Finding the Fourth Proportional to 580,658.74, 801,309.06 and 326,015.39

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Solution

The fourth proportional to 580,658.74, 801,309.06 and 326,015.39 is: 449,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,658.74 : 801,309.06 = 326,015.39 : x
  2. Step 2: Convert to fraction form
    580,658.74/801,309.06 = 326,015.39/x
  3. Step 3: Cross multiply
    580,658.74x = 801,309.06 × 326,015.39
  4. Step 4: Simplify right side
    580,658.74x = 261,239,084,076.36
  5. Step 5: Solve for x
    x = 261,239,084,076.36/580,658.74
  6. Step 6: Final answer
    x = 449,901.24

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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.