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Finding the Fourth Proportional to 569,043.82, 785,362.73 and 339,610.85

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Solution

The fourth proportional to 569,043.82, 785,362.73 and 339,610.85 is: 468,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,043.82 : 785,362.73 = 339,610.85 : x
  2. Step 2: Convert to fraction form
    569,043.82/785,362.73 = 339,610.85/x
  3. Step 3: Cross multiply
    569,043.82x = 785,362.73 × 339,610.85
  4. Step 4: Simplify right side
    569,043.82x = 266,717,704,293.62
  5. Step 5: Solve for x
    x = 266,717,704,293.62/569,043.82
  6. Step 6: Final answer
    x = 468,712.07

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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.