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Finding the Fourth Proportional to 609,171.02, 840,743.98 and 350,998.52

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Solution

The fourth proportional to 609,171.02, 840,743.98 and 350,998.52 is: 484,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,171.02 : 840,743.98 = 350,998.52 : x
  2. Step 2: Convert to fraction form
    609,171.02/840,743.98 = 350,998.52/x
  3. Step 3: Cross multiply
    609,171.02x = 840,743.98 × 350,998.52
  4. Step 4: Simplify right side
    609,171.02x = 295,099,893,903.27
  5. Step 5: Solve for x
    x = 295,099,893,903.27/609,171.02
  6. Step 6: Final answer
    x = 484,428.65

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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.