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Finding the Fourth Proportional to 493,924.60, 741,261.70 and 325,387.40

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Solution

The fourth proportional to 493,924.60, 741,261.70 and 325,387.40 is: 488,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,924.60 : 741,261.70 = 325,387.40 : x
  2. Step 2: Convert to fraction form
    493,924.60/741,261.70 = 325,387.40/x
  3. Step 3: Cross multiply
    493,924.60x = 741,261.70 × 325,387.40
  4. Step 4: Simplify right side
    493,924.60x = 241,197,217,282.58
  5. Step 5: Solve for x
    x = 241,197,217,282.58/493,924.60
  6. Step 6: Final answer
    x = 488,328.01

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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.