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Finding the Fourth Proportional to 567,986.52, 851,404.86 and 368,433.72

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Solution

The fourth proportional to 567,986.52, 851,404.86 and 368,433.72 is: 552,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,986.52 : 851,404.86 = 368,433.72 : x
  2. Step 2: Convert to fraction form
    567,986.52/851,404.86 = 368,433.72/x
  3. Step 3: Cross multiply
    567,986.52x = 851,404.86 × 368,433.72
  4. Step 4: Simplify right side
    567,986.52x = 313,686,259,795.88
  5. Step 5: Solve for x
    x = 313,686,259,795.88/567,986.52
  6. Step 6: Final answer
    x = 552,277.65

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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.