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Finding the Fourth Proportional to 433,518.20, 605,744.50 and 433,518.20

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Solution

The fourth proportional to 433,518.20, 605,744.50 and 433,518.20 is: 605,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,518.20 : 605,744.50 = 433,518.20 : x
  2. Step 2: Convert to fraction form
    433,518.20/605,744.50 = 433,518.20/x
  3. Step 3: Cross multiply
    433,518.20x = 605,744.50 × 433,518.20
  4. Step 4: Simplify right side
    433,518.20x = 262,601,265,299.90
  5. Step 5: Solve for x
    x = 262,601,265,299.90/433,518.20
  6. Step 6: Final answer
    x = 605,744.50

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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.