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Finding the Fourth Proportional to 453,285.60, 679,336.96 and 186,777.76

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Solution

The fourth proportional to 453,285.60, 679,336.96 and 186,777.76 is: 279,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,285.60 : 679,336.96 = 186,777.76 : x
  2. Step 2: Convert to fraction form
    453,285.60/679,336.96 = 186,777.76/x
  3. Step 3: Cross multiply
    453,285.60x = 679,336.96 × 186,777.76
  4. Step 4: Simplify right side
    453,285.60x = 126,885,035,674.01
  5. Step 5: Solve for x
    x = 126,885,035,674.01/453,285.60
  6. Step 6: Final answer
    x = 279,922.94

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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.