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Finding the Fourth Proportional to 620,056, 930,092.80 and 176,824

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Solution

The fourth proportional to 620,056, 930,092.80 and 176,824 is: 265,238.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,056 : 930,092.80 = 176,824 : x
  2. Step 2: Convert to fraction form
    620,056/930,092.80 = 176,824/x
  3. Step 3: Cross multiply
    620,056x = 930,092.80 × 176,824
  4. Step 4: Simplify right side
    620,056x = 164,462,729,267.20
  5. Step 5: Solve for x
    x = 164,462,729,267.20/620,056
  6. Step 6: Final answer
    x = 265,238.51

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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.