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Finding the Fourth Proportional to 384,811.80, 530,696.44 and 241,585.20

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Solution

The fourth proportional to 384,811.80, 530,696.44 and 241,585.20 is: 333,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,811.80 : 530,696.44 = 241,585.20 : x
  2. Step 2: Convert to fraction form
    384,811.80/530,696.44 = 241,585.20/x
  3. Step 3: Cross multiply
    384,811.80x = 530,696.44 × 241,585.20
  4. Step 4: Simplify right side
    384,811.80x = 128,208,405,596.69
  5. Step 5: Solve for x
    x = 128,208,405,596.69/384,811.80
  6. Step 6: Final answer
    x = 333,171.71

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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.