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Finding the Fourth Proportional to 455,957.66, 629,254.15 and 252,004.19

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Solution

The fourth proportional to 455,957.66, 629,254.15 and 252,004.19 is: 347,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,957.66 : 629,254.15 = 252,004.19 : x
  2. Step 2: Convert to fraction form
    455,957.66/629,254.15 = 252,004.19/x
  3. Step 3: Cross multiply
    455,957.66x = 629,254.15 × 252,004.19
  4. Step 4: Simplify right side
    455,957.66x = 158,574,682,374.89
  5. Step 5: Solve for x
    x = 158,574,682,374.89/455,957.66
  6. Step 6: Final answer
    x = 347,783.79

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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.