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Finding the Fourth Proportional to 353,311.62, 529,984.44 and 116,649.06

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Solution

The fourth proportional to 353,311.62, 529,984.44 and 116,649.06 is: 174,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,311.62 : 529,984.44 = 116,649.06 : x
  2. Step 2: Convert to fraction form
    353,311.62/529,984.44 = 116,649.06/x
  3. Step 3: Cross multiply
    353,311.62x = 529,984.44 × 116,649.06
  4. Step 4: Simplify right side
    353,311.62x = 61,822,186,740.63
  5. Step 5: Solve for x
    x = 61,822,186,740.63/353,311.62
  6. Step 6: Final answer
    x = 174,979.21

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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.