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Finding the Fourth Proportional to 610,965.37, 843,110.13 and 339,045.13

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Solution

The fourth proportional to 610,965.37, 843,110.13 and 339,045.13 is: 467,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,965.37 : 843,110.13 = 339,045.13 : x
  2. Step 2: Convert to fraction form
    610,965.37/843,110.13 = 339,045.13/x
  3. Step 3: Cross multiply
    610,965.37x = 843,110.13 × 339,045.13
  4. Step 4: Simplify right side
    610,965.37x = 285,852,383,630.17
  5. Step 5: Solve for x
    x = 285,852,383,630.17/610,965.37
  6. Step 6: Final answer
    x = 467,870.03

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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.