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Finding the Fourth Proportional to 567,267.88, 782,829.84 and 309,144.92

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Solution

The fourth proportional to 567,267.88, 782,829.84 and 309,144.92 is: 426,620.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,267.88 : 782,829.84 = 309,144.92 : x
  2. Step 2: Convert to fraction form
    567,267.88/782,829.84 = 309,144.92/x
  3. Step 3: Cross multiply
    567,267.88x = 782,829.84 × 309,144.92
  4. Step 4: Simplify right side
    567,267.88x = 242,007,868,260.41
  5. Step 5: Solve for x
    x = 242,007,868,260.41/567,267.88
  6. Step 6: Final answer
    x = 426,620.08

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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.