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Finding the Fourth Proportional to 472,323.81, 651,782.22 and 268,346.43

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Solution

The fourth proportional to 472,323.81, 651,782.22 and 268,346.43 is: 370,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,323.81 : 651,782.22 = 268,346.43 : x
  2. Step 2: Convert to fraction form
    472,323.81/651,782.22 = 268,346.43/x
  3. Step 3: Cross multiply
    472,323.81x = 651,782.22 × 268,346.43
  4. Step 4: Simplify right side
    472,323.81x = 174,903,431,874.48
  5. Step 5: Solve for x
    x = 174,903,431,874.48/472,323.81
  6. Step 6: Final answer
    x = 370,304.08

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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.