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Finding the Fourth Proportional to 345,798.36, 518,698.08 and 227,995.92

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Solution

The fourth proportional to 345,798.36, 518,698.08 and 227,995.92 is: 341,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,798.36 : 518,698.08 = 227,995.92 : x
  2. Step 2: Convert to fraction form
    345,798.36/518,698.08 = 227,995.92/x
  3. Step 3: Cross multiply
    345,798.36x = 518,698.08 × 227,995.92
  4. Step 4: Simplify right side
    345,798.36x = 118,261,045,951.83
  5. Step 5: Solve for x
    x = 118,261,045,951.83/345,798.36
  6. Step 6: Final answer
    x = 341,994.24

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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.