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Finding the Fourth Proportional to 533,775.90, 800,664.39 and 218,232.81

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Solution

The fourth proportional to 533,775.90, 800,664.39 and 218,232.81 is: 327,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,775.90 : 800,664.39 = 218,232.81 : x
  2. Step 2: Convert to fraction form
    533,775.90/800,664.39 = 218,232.81/x
  3. Step 3: Cross multiply
    533,775.90x = 800,664.39 × 218,232.81
  4. Step 4: Simplify right side
    533,775.90x = 174,731,239,696.64
  5. Step 5: Solve for x
    x = 174,731,239,696.64/533,775.90
  6. Step 6: Final answer
    x = 327,349.44

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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.