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Finding the Fourth Proportional to 481,893.32, 723,502.02 and 245,394.92

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Solution

The fourth proportional to 481,893.32, 723,502.02 and 245,394.92 is: 368,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,893.32 : 723,502.02 = 245,394.92 : x
  2. Step 2: Convert to fraction form
    481,893.32/723,502.02 = 245,394.92/x
  3. Step 3: Cross multiply
    481,893.32x = 723,502.02 × 245,394.92
  4. Step 4: Simplify right side
    481,893.32x = 177,543,720,317.74
  5. Step 5: Solve for x
    x = 177,543,720,317.74/481,893.32
  6. Step 6: Final answer
    x = 368,429.51

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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.