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Finding the Fourth Proportional to 567,230.68, 782,768.30 and 309,109.94

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Solution

The fourth proportional to 567,230.68, 782,768.30 and 309,109.94 is: 426,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,230.68 : 782,768.30 = 309,109.94 : x
  2. Step 2: Convert to fraction form
    567,230.68/782,768.30 = 309,109.94/x
  3. Step 3: Cross multiply
    567,230.68x = 782,768.30 × 309,109.94
  4. Step 4: Simplify right side
    567,230.68x = 241,961,456,787.51
  5. Step 5: Solve for x
    x = 241,961,456,787.51/567,230.68
  6. Step 6: Final answer
    x = 426,566.24

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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.