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Finding the Fourth Proportional to 341,308.72, 511,943.94 and 104,650.76

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Solution

The fourth proportional to 341,308.72, 511,943.94 and 104,650.76 is: 156,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,308.72 : 511,943.94 = 104,650.76 : x
  2. Step 2: Convert to fraction form
    341,308.72/511,943.94 = 104,650.76/x
  3. Step 3: Cross multiply
    341,308.72x = 511,943.94 × 104,650.76
  4. Step 4: Simplify right side
    341,308.72x = 53,575,322,398.39
  5. Step 5: Solve for x
    x = 53,575,322,398.39/341,308.72
  6. Step 6: Final answer
    x = 156,970.27

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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.