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Finding the Fourth Proportional to 431,848.32, 647,699.04 and 116,234.88

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Solution

The fourth proportional to 431,848.32, 647,699.04 and 116,234.88 is: 174,332.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,848.32 : 647,699.04 = 116,234.88 : x
  2. Step 2: Convert to fraction form
    431,848.32/647,699.04 = 116,234.88/x
  3. Step 3: Cross multiply
    431,848.32x = 647,699.04 × 116,234.88
  4. Step 4: Simplify right side
    431,848.32x = 75,285,220,190.52
  5. Step 5: Solve for x
    x = 75,285,220,190.52/431,848.32
  6. Step 6: Final answer
    x = 174,332.55

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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.