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Finding the Fourth Proportional to 353,179.20, 529,768.80 and 116,464.80

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Solution

The fourth proportional to 353,179.20, 529,768.80 and 116,464.80 is: 174,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,179.20 : 529,768.80 = 116,464.80 : x
  2. Step 2: Convert to fraction form
    353,179.20/529,768.80 = 116,464.80/x
  3. Step 3: Cross multiply
    353,179.20x = 529,768.80 × 116,464.80
  4. Step 4: Simplify right side
    353,179.20x = 61,699,417,338.24
  5. Step 5: Solve for x
    x = 61,699,417,338.24/353,179.20
  6. Step 6: Final answer
    x = 174,697.20

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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.