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Finding the Fourth Proportional to 341,341.26, 511,843.40 and 104,626.86

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Solution

The fourth proportional to 341,341.26, 511,843.40 and 104,626.86 is: 156,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,341.26 : 511,843.40 = 104,626.86 : x
  2. Step 2: Convert to fraction form
    341,341.26/511,843.40 = 104,626.86/x
  3. Step 3: Cross multiply
    341,341.26x = 511,843.40 × 104,626.86
  4. Step 4: Simplify right side
    341,341.26x = 53,552,567,753.72
  5. Step 5: Solve for x
    x = 53,552,567,753.72/341,341.26
  6. Step 6: Final answer
    x = 156,888.64

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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.