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Finding the Fourth Proportional to 619,893, 929,995.56 and 176,661

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Solution

The fourth proportional to 619,893, 929,995.56 and 176,661 is: 265,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,893 : 929,995.56 = 176,661 : x
  2. Step 2: Convert to fraction form
    619,893/929,995.56 = 176,661/x
  3. Step 3: Cross multiply
    619,893x = 929,995.56 × 176,661
  4. Step 4: Simplify right side
    619,893x = 164,293,945,625.16
  5. Step 5: Solve for x
    x = 164,293,945,625.16/619,893
  6. Step 6: Final answer
    x = 265,035.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.