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Finding the Fourth Proportional to 533,907.40, 800,396.16 and 218,162.92

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Solution

The fourth proportional to 533,907.40, 800,396.16 and 218,162.92 is: 327,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,907.40 : 800,396.16 = 218,162.92 : x
  2. Step 2: Convert to fraction form
    533,907.40/800,396.16 = 218,162.92/x
  3. Step 3: Cross multiply
    533,907.40x = 800,396.16 × 218,162.92
  4. Step 4: Simplify right side
    533,907.40x = 174,616,763,422.39
  5. Step 5: Solve for x
    x = 174,616,763,422.39/533,907.40
  6. Step 6: Final answer
    x = 327,054.40

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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.