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Finding the Fourth Proportional to 353,313.70, 529,672.57 and 153,484.88

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Solution

The fourth proportional to 353,313.70, 529,672.57 and 153,484.88 is: 230,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,313.70 : 529,672.57 = 153,484.88 : x
  2. Step 2: Convert to fraction form
    353,313.70/529,672.57 = 153,484.88/x
  3. Step 3: Cross multiply
    353,313.70x = 529,672.57 × 153,484.88
  4. Step 4: Simplify right side
    353,313.70x = 81,296,727,813.67
  5. Step 5: Solve for x
    x = 81,296,727,813.67/353,313.70
  6. Step 6: Final answer
    x = 230,097.87

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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.