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Finding the Fourth Proportional to 455,957.54, 629,253.96 and 252,004.08

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Solution

The fourth proportional to 455,957.54, 629,253.96 and 252,004.08 is: 347,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,957.54 : 629,253.96 = 252,004.08 : x
  2. Step 2: Convert to fraction form
    455,957.54/629,253.96 = 252,004.08/x
  3. Step 3: Cross multiply
    455,957.54x = 629,253.96 × 252,004.08
  4. Step 4: Simplify right side
    455,957.54x = 158,574,563,861.47
  5. Step 5: Solve for x
    x = 158,574,563,861.47/455,957.54
  6. Step 6: Final answer
    x = 347,783.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.