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Finding the Fourth Proportional to 442,562.45, 610,631.21 and 251,560.81

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Solution

The fourth proportional to 442,562.45, 610,631.21 and 251,560.81 is: 347,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,562.45 : 610,631.21 = 251,560.81 : x
  2. Step 2: Convert to fraction form
    442,562.45/610,631.21 = 251,560.81/x
  3. Step 3: Cross multiply
    442,562.45x = 610,631.21 × 251,560.81
  4. Step 4: Simplify right side
    442,562.45x = 153,610,877,487.92
  5. Step 5: Solve for x
    x = 153,610,877,487.92/442,562.45
  6. Step 6: Final answer
    x = 347,094.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.