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Finding the Fourth Proportional to 471,176.20, 706,764.30 and 463,400.20

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Solution

The fourth proportional to 471,176.20, 706,764.30 and 463,400.20 is: 695,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,176.20 : 706,764.30 = 463,400.20 : x
  2. Step 2: Convert to fraction form
    471,176.20/706,764.30 = 463,400.20/x
  3. Step 3: Cross multiply
    471,176.20x = 706,764.30 × 463,400.20
  4. Step 4: Simplify right side
    471,176.20x = 327,514,717,972.86
  5. Step 5: Solve for x
    x = 327,514,717,972.86/471,176.20
  6. Step 6: Final answer
    x = 695,100.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.