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Finding the Fourth Proportional to 567,743.88, 850,914.54 and 487,215.80

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Solution

The fourth proportional to 567,743.88, 850,914.54 and 487,215.80 is: 730,221.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,743.88 : 850,914.54 = 487,215.80 : x
  2. Step 2: Convert to fraction form
    567,743.88/850,914.54 = 487,215.80/x
  3. Step 3: Cross multiply
    567,743.88x = 850,914.54 × 487,215.80
  4. Step 4: Simplify right side
    567,743.88x = 414,579,008,337.73
  5. Step 5: Solve for x
    x = 414,579,008,337.73/567,743.88
  6. Step 6: Final answer
    x = 730,221.89

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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.