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Finding the Fourth Proportional to 451,223.84, 622,689.63 and 247,242.35

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Solution

The fourth proportional to 451,223.84, 622,689.63 and 247,242.35 is: 341,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,223.84 : 622,689.63 = 247,242.35 : x
  2. Step 2: Convert to fraction form
    451,223.84/622,689.63 = 247,242.35/x
  3. Step 3: Cross multiply
    451,223.84x = 622,689.63 × 247,242.35
  4. Step 4: Simplify right side
    451,223.84x = 153,955,247,441.83
  5. Step 5: Solve for x
    x = 153,955,247,441.83/451,223.84
  6. Step 6: Final answer
    x = 341,194.84

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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.