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Finding the Fourth Proportional to 533,615.42, 800,363.94 and 134,256.26

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Solution

The fourth proportional to 533,615.42, 800,363.94 and 134,256.26 is: 201,369.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,615.42 : 800,363.94 = 134,256.26 : x
  2. Step 2: Convert to fraction form
    533,615.42/800,363.94 = 134,256.26/x
  3. Step 3: Cross multiply
    533,615.42x = 800,363.94 × 134,256.26
  4. Step 4: Simplify right side
    533,615.42x = 107,453,869,223.26
  5. Step 5: Solve for x
    x = 107,453,869,223.26/533,615.42
  6. Step 6: Final answer
    x = 201,369.50

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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.