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Finding the Fourth Proportional to 353,074.82, 529,313.70 and 153,245

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Solution

The fourth proportional to 353,074.82, 529,313.70 and 153,245 is: 229,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,074.82 : 529,313.70 = 153,245 : x
  2. Step 2: Convert to fraction form
    353,074.82/529,313.70 = 153,245/x
  3. Step 3: Cross multiply
    353,074.82x = 529,313.70 × 153,245
  4. Step 4: Simplify right side
    353,074.82x = 81,114,677,956.50
  5. Step 5: Solve for x
    x = 81,114,677,956.50/353,074.82
  6. Step 6: Final answer
    x = 229,737.93

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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.