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Finding the Fourth Proportional to 610,967.64, 843,066.92 and 339,047.00

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Solution

The fourth proportional to 610,967.64, 843,066.92 and 339,047.00 is: 467,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,967.64 : 843,066.92 = 339,047.00 : x
  2. Step 2: Convert to fraction form
    610,967.64/843,066.92 = 339,047.00/x
  3. Step 3: Cross multiply
    610,967.64x = 843,066.92 × 339,047.00
  4. Step 4: Simplify right side
    610,967.64x = 285,839,304,114.67
  5. Step 5: Solve for x
    x = 285,839,304,114.67/610,967.64
  6. Step 6: Final answer
    x = 467,846.88

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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.