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Finding the Fourth Proportional to 637,056, 955,756.80 and 193,824

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Solution

The fourth proportional to 637,056, 955,756.80 and 193,824 is: 290,788.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,056 : 955,756.80 = 193,824 : x
  2. Step 2: Convert to fraction form
    637,056/955,756.80 = 193,824/x
  3. Step 3: Cross multiply
    637,056x = 955,756.80 × 193,824
  4. Step 4: Simplify right side
    637,056x = 185,248,606,003.20
  5. Step 5: Solve for x
    x = 185,248,606,003.20/637,056
  6. Step 6: Final answer
    x = 290,788.57

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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.