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Finding the Fourth Proportional to 341,345.14, 511,849.21 and 104,630.74

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Solution

The fourth proportional to 341,345.14, 511,849.21 and 104,630.74 is: 156,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,345.14 : 511,849.21 = 104,630.74 : x
  2. Step 2: Convert to fraction form
    341,345.14/511,849.21 = 104,630.74/x
  3. Step 3: Cross multiply
    341,345.14x = 511,849.21 × 104,630.74
  4. Step 4: Simplify right side
    341,345.14x = 53,555,161,610.72
  5. Step 5: Solve for x
    x = 53,555,161,610.72/341,345.14
  6. Step 6: Final answer
    x = 156,894.46

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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.