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Finding the Fourth Proportional to 442,622.96, 610,871.32 and 251,664.96

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Solution

The fourth proportional to 442,622.96, 610,871.32 and 251,664.96 is: 347,327.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,622.96 : 610,871.32 = 251,664.96 : x
  2. Step 2: Convert to fraction form
    442,622.96/610,871.32 = 251,664.96/x
  3. Step 3: Cross multiply
    442,622.96x = 610,871.32 × 251,664.96
  4. Step 4: Simplify right side
    442,622.96x = 153,734,906,312.95
  5. Step 5: Solve for x
    x = 153,734,906,312.95/442,622.96
  6. Step 6: Final answer
    x = 347,327.00

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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.