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Finding the Fourth Proportional to 451,254.25, 622,737.75 and 247,303.51

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Solution

The fourth proportional to 451,254.25, 622,737.75 and 247,303.51 is: 341,282.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,254.25 : 622,737.75 = 247,303.51 : x
  2. Step 2: Convert to fraction form
    451,254.25/622,737.75 = 247,303.51/x
  3. Step 3: Cross multiply
    451,254.25x = 622,737.75 × 247,303.51
  4. Step 4: Simplify right side
    451,254.25x = 154,005,231,384.50
  5. Step 5: Solve for x
    x = 154,005,231,384.50/451,254.25
  6. Step 6: Final answer
    x = 341,282.62

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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.