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Finding the Fourth Proportional to 924,388.89, 1,392,892.97 and 759,600.66

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Solution

The fourth proportional to 924,388.89, 1,392,892.97 and 759,600.66 is: 1,144,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,388.89 : 1,392,892.97 = 759,600.66 : x
  2. Step 2: Convert to fraction form
    924,388.89/1,392,892.97 = 759,600.66/x
  3. Step 3: Cross multiply
    924,388.89x = 1,392,892.97 × 759,600.66
  4. Step 4: Simplify right side
    924,388.89x = 1,058,042,415,523.36
  5. Step 5: Solve for x
    x = 1,058,042,415,523.36/924,388.89
  6. Step 6: Final answer
    x = 1,144,585.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.