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Finding the Fourth Proportional to 341,322.48, 511,991.10 and 104,659.92

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Solution

The fourth proportional to 341,322.48, 511,991.10 and 104,659.92 is: 156,992.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,322.48 : 511,991.10 = 104,659.92 : x
  2. Step 2: Convert to fraction form
    341,322.48/511,991.10 = 104,659.92/x
  3. Step 3: Cross multiply
    341,322.48x = 511,991.10 × 104,659.92
  4. Step 4: Simplify right side
    341,322.48x = 53,584,947,566.71
  5. Step 5: Solve for x
    x = 53,584,947,566.71/341,322.48
  6. Step 6: Final answer
    x = 156,992.14

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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.