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Finding the Fourth Proportional to 560,562.54, 840,343.83 and 205,493.69

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Solution

The fourth proportional to 560,562.54, 840,343.83 and 205,493.69 is: 308,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,562.54 : 840,343.83 = 205,493.69 : x
  2. Step 2: Convert to fraction form
    560,562.54/840,343.83 = 205,493.69/x
  3. Step 3: Cross multiply
    560,562.54x = 840,343.83 × 205,493.69
  4. Step 4: Simplify right side
    560,562.54x = 172,685,354,495.43
  5. Step 5: Solve for x
    x = 172,685,354,495.43/560,562.54
  6. Step 6: Final answer
    x = 308,057.25

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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.