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Finding the Fourth Proportional to 611,765.16, 844,242.36 and 339,849.96

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Solution

The fourth proportional to 611,765.16, 844,242.36 and 339,849.96 is: 468,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,765.16 : 844,242.36 = 339,849.96 : x
  2. Step 2: Convert to fraction form
    611,765.16/844,242.36 = 339,849.96/x
  3. Step 3: Cross multiply
    611,765.16x = 844,242.36 × 339,849.96
  4. Step 4: Simplify right side
    611,765.16x = 286,915,732,276.31
  5. Step 5: Solve for x
    x = 286,915,732,276.31/611,765.16
  6. Step 6: Final answer
    x = 468,996.52

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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.