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Finding the Fourth Proportional to 533,529.55, 799,405.74 and 375,425.80

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Solution

The fourth proportional to 533,529.55, 799,405.74 and 375,425.80 is: 562,513.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,529.55 : 799,405.74 = 375,425.80 : x
  2. Step 2: Convert to fraction form
    533,529.55/799,405.74 = 375,425.80/x
  3. Step 3: Cross multiply
    533,529.55x = 799,405.74 × 375,425.80
  4. Step 4: Simplify right side
    533,529.55x = 300,117,539,464.09
  5. Step 5: Solve for x
    x = 300,117,539,464.09/533,529.55
  6. Step 6: Final answer
    x = 562,513.43

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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.