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Finding the Fourth Proportional to 471,626.90, 651,064.48 and 277,973.52

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Solution

The fourth proportional to 471,626.90, 651,064.48 and 277,973.52 is: 383,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,626.90 : 651,064.48 = 277,973.52 : x
  2. Step 2: Convert to fraction form
    471,626.90/651,064.48 = 277,973.52/x
  3. Step 3: Cross multiply
    471,626.90x = 651,064.48 × 277,973.52
  4. Step 4: Simplify right side
    471,626.90x = 180,978,685,252.57
  5. Step 5: Solve for x
    x = 180,978,685,252.57/471,626.90
  6. Step 6: Final answer
    x = 383,732.75

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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.