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Finding the Fourth Proportional to 353,395.32, 529,980.66 and 116,693.88

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Solution

The fourth proportional to 353,395.32, 529,980.66 and 116,693.88 is: 175,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,395.32 : 529,980.66 = 116,693.88 : x
  2. Step 2: Convert to fraction form
    353,395.32/529,980.66 = 116,693.88/x
  3. Step 3: Cross multiply
    353,395.32x = 529,980.66 × 116,693.88
  4. Step 4: Simplify right side
    353,395.32x = 61,845,499,540.36
  5. Step 5: Solve for x
    x = 61,845,499,540.36/353,395.32
  6. Step 6: Final answer
    x = 175,003.73

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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.