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Finding the Fourth Proportional to 534,483.12, 801,762.09 and 214,634.97

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Solution

The fourth proportional to 534,483.12, 801,762.09 and 214,634.97 is: 321,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,483.12 : 801,762.09 = 214,634.97 : x
  2. Step 2: Convert to fraction form
    534,483.12/801,762.09 = 214,634.97/x
  3. Step 3: Cross multiply
    534,483.12x = 801,762.09 × 214,634.97
  4. Step 4: Simplify right side
    534,483.12x = 172,086,182,134.29
  5. Step 5: Solve for x
    x = 172,086,182,134.29/534,483.12
  6. Step 6: Final answer
    x = 321,967.48

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1.5x scale

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.