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Finding the Fourth Proportional to 348,760.32, 481,224.96 and 212,762.88

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Solution

The fourth proportional to 348,760.32, 481,224.96 and 212,762.88 is: 293,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,760.32 : 481,224.96 = 212,762.88 : x
  2. Step 2: Convert to fraction form
    348,760.32/481,224.96 = 212,762.88/x
  3. Step 3: Cross multiply
    348,760.32x = 481,224.96 × 212,762.88
  4. Step 4: Simplify right side
    348,760.32x = 102,386,808,417.49
  5. Step 5: Solve for x
    x = 102,386,808,417.49/348,760.32
  6. Step 6: Final answer
    x = 293,573.56

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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.