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Finding the Fourth Proportional to 433,997.20, 608,010.80 and 433,997.20

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Solution

The fourth proportional to 433,997.20, 608,010.80 and 433,997.20 is: 608,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,997.20 : 608,010.80 = 433,997.20 : x
  2. Step 2: Convert to fraction form
    433,997.20/608,010.80 = 433,997.20/x
  3. Step 3: Cross multiply
    433,997.20x = 608,010.80 × 433,997.20
  4. Step 4: Simplify right side
    433,997.20x = 263,874,984,769.76
  5. Step 5: Solve for x
    x = 263,874,984,769.76/433,997.20
  6. Step 6: Final answer
    x = 608,010.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.