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Finding the Fourth Proportional to 361,242.84, 498,756.20 and 225,331.32

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Solution

The fourth proportional to 361,242.84, 498,756.20 and 225,331.32 is: 311,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,242.84 : 498,756.20 = 225,331.32 : x
  2. Step 2: Convert to fraction form
    361,242.84/498,756.20 = 225,331.32/x
  3. Step 3: Cross multiply
    361,242.84x = 498,756.20 × 225,331.32
  4. Step 4: Simplify right side
    361,242.84x = 112,385,392,904.18
  5. Step 5: Solve for x
    x = 112,385,392,904.18/361,242.84
  6. Step 6: Final answer
    x = 311,107.60

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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.