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Finding the Fourth Proportional to 348,479.47, 481,048.77 and 235,455.31

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Solution

The fourth proportional to 348,479.47, 481,048.77 and 235,455.31 is: 325,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,479.47 : 481,048.77 = 235,455.31 : x
  2. Step 2: Convert to fraction form
    348,479.47/481,048.77 = 235,455.31/x
  3. Step 3: Cross multiply
    348,479.47x = 481,048.77 × 235,455.31
  4. Step 4: Simplify right side
    348,479.47x = 113,265,487,265.47
  5. Step 5: Solve for x
    x = 113,265,487,265.47/348,479.47
  6. Step 6: Final answer
    x = 325,027.72

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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.