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Finding the Fourth Proportional to 353,213.72, 529,838.90 and 116,574.84

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Solution

The fourth proportional to 353,213.72, 529,838.90 and 116,574.84 is: 174,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,213.72 : 529,838.90 = 116,574.84 : x
  2. Step 2: Convert to fraction form
    353,213.72/529,838.90 = 116,574.84/x
  3. Step 3: Cross multiply
    353,213.72x = 529,838.90 × 116,574.84
  4. Step 4: Simplify right side
    353,213.72x = 61,765,884,410.40
  5. Step 5: Solve for x
    x = 61,765,884,410.40/353,213.72
  6. Step 6: Final answer
    x = 174,868.31

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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.