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Finding the Fourth Proportional to 264,878, 397,054.56 and 124,385.12

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Solution

The fourth proportional to 264,878, 397,054.56 and 124,385.12 is: 186,454.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,878 : 397,054.56 = 124,385.12 : x
  2. Step 2: Convert to fraction form
    264,878/397,054.56 = 124,385.12/x
  3. Step 3: Cross multiply
    264,878x = 397,054.56 × 124,385.12
  4. Step 4: Simplify right side
    264,878x = 49,387,679,092.15
  5. Step 5: Solve for x
    x = 49,387,679,092.15/264,878
  6. Step 6: Final answer
    x = 186,454.44

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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.