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Finding the Fourth Proportional to 455,880.60, 629,113.56 and 251,925.84

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Solution

The fourth proportional to 455,880.60, 629,113.56 and 251,925.84 is: 347,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,880.60 : 629,113.56 = 251,925.84 : x
  2. Step 2: Convert to fraction form
    455,880.60/629,113.56 = 251,925.84/x
  3. Step 3: Cross multiply
    455,880.60x = 629,113.56 × 251,925.84
  4. Step 4: Simplify right side
    455,880.60x = 158,489,962,058.39
  5. Step 5: Solve for x
    x = 158,489,962,058.39/455,880.60
  6. Step 6: Final answer
    x = 347,656.74

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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.