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Finding the Fourth Proportional to 533,889, 736,766.82 and 295,425

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Solution

The fourth proportional to 533,889, 736,766.82 and 295,425 is: 407,686.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,889 : 736,766.82 = 295,425 : x
  2. Step 2: Convert to fraction form
    533,889/736,766.82 = 295,425/x
  3. Step 3: Cross multiply
    533,889x = 736,766.82 × 295,425
  4. Step 4: Simplify right side
    533,889x = 217,659,337,798.50
  5. Step 5: Solve for x
    x = 217,659,337,798.50/533,889
  6. Step 6: Final answer
    x = 407,686.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.