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Finding the Fourth Proportional to 415,481.82, 573,237.45 and 254,168.70

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Solution

The fourth proportional to 415,481.82, 573,237.45 and 254,168.70 is: 350,674.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,481.82 : 573,237.45 = 254,168.70 : x
  2. Step 2: Convert to fraction form
    415,481.82/573,237.45 = 254,168.70/x
  3. Step 3: Cross multiply
    415,481.82x = 573,237.45 × 254,168.70
  4. Step 4: Simplify right side
    415,481.82x = 145,699,017,457.82
  5. Step 5: Solve for x
    x = 145,699,017,457.82/415,481.82
  6. Step 6: Final answer
    x = 350,674.83

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1.5x scale

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.