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Finding the Fourth Proportional to 440,597.60, 660,524.88 and 191,091.68

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Solution

The fourth proportional to 440,597.60, 660,524.88 and 191,091.68 is: 286,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,597.60 : 660,524.88 = 191,091.68 : x
  2. Step 2: Convert to fraction form
    440,597.60/660,524.88 = 191,091.68/x
  3. Step 3: Cross multiply
    440,597.60x = 660,524.88 × 191,091.68
  4. Step 4: Simplify right side
    440,597.60x = 126,220,809,001.00
  5. Step 5: Solve for x
    x = 126,220,809,001.00/440,597.60
  6. Step 6: Final answer
    x = 286,476.39

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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.