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Finding the Fourth Proportional to 303,998.60, 455,997.90 and 164,030.60

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Solution

The fourth proportional to 303,998.60, 455,997.90 and 164,030.60 is: 246,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,998.60 : 455,997.90 = 164,030.60 : x
  2. Step 2: Convert to fraction form
    303,998.60/455,997.90 = 164,030.60/x
  3. Step 3: Cross multiply
    303,998.60x = 455,997.90 × 164,030.60
  4. Step 4: Simplify right side
    303,998.60x = 74,797,609,135.74
  5. Step 5: Solve for x
    x = 74,797,609,135.74/303,998.60
  6. Step 6: Final answer
    x = 246,045.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.