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Finding the Fourth Proportional to 579,775.06, 800,097.78 and 350,300.44

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Solution

The fourth proportional to 579,775.06, 800,097.78 and 350,300.44 is: 483,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,775.06 : 800,097.78 = 350,300.44 : x
  2. Step 2: Convert to fraction form
    579,775.06/800,097.78 = 350,300.44/x
  3. Step 3: Cross multiply
    579,775.06x = 800,097.78 × 350,300.44
  4. Step 4: Simplify right side
    579,775.06x = 280,274,604,377.02
  5. Step 5: Solve for x
    x = 280,274,604,377.02/579,775.06
  6. Step 6: Final answer
    x = 483,419.56

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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.