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Finding the Fourth Proportional to 341,062.72, 511,618.38 and 104,374.65

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Solution

The fourth proportional to 341,062.72, 511,618.38 and 104,374.65 is: 156,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,062.72 : 511,618.38 = 104,374.65 : x
  2. Step 2: Convert to fraction form
    341,062.72/511,618.38 = 104,374.65/x
  3. Step 3: Cross multiply
    341,062.72x = 511,618.38 × 104,374.65
  4. Step 4: Simplify right side
    341,062.72x = 53,399,989,346.07
  5. Step 5: Solve for x
    x = 53,399,989,346.07/341,062.72
  6. Step 6: Final answer
    x = 156,569.41

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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.