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Finding the Fourth Proportional to 533,561.45, 800,343.52 and 218,018.35

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Solution

The fourth proportional to 533,561.45, 800,343.52 and 218,018.35 is: 327,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,561.45 : 800,343.52 = 218,018.35 : x
  2. Step 2: Convert to fraction form
    533,561.45/800,343.52 = 218,018.35/x
  3. Step 3: Cross multiply
    533,561.45x = 800,343.52 × 218,018.35
  4. Step 4: Simplify right side
    533,561.45x = 174,489,574,118.98
  5. Step 5: Solve for x
    x = 174,489,574,118.98/533,561.45
  6. Step 6: Final answer
    x = 327,028.08

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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.