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Finding the Fourth Proportional to 471,391.93, 650,542.29 and 277,807.81

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Solution

The fourth proportional to 471,391.93, 650,542.29 and 277,807.81 is: 383,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,391.93 : 650,542.29 = 277,807.81 : x
  2. Step 2: Convert to fraction form
    471,391.93/650,542.29 = 277,807.81/x
  3. Step 3: Cross multiply
    471,391.93x = 650,542.29 × 277,807.81
  4. Step 4: Simplify right side
    471,391.93x = 180,725,730,523.64
  5. Step 5: Solve for x
    x = 180,725,730,523.64/471,391.93
  6. Step 6: Final answer
    x = 383,387.41

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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.