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Finding the Fourth Proportional to 453,249.96, 679,777.74 and 186,941.40

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Solution

The fourth proportional to 453,249.96, 679,777.74 and 186,941.40 is: 280,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,249.96 : 679,777.74 = 186,941.40 : x
  2. Step 2: Convert to fraction form
    453,249.96/679,777.74 = 186,941.40/x
  3. Step 3: Cross multiply
    453,249.96x = 679,777.74 × 186,941.40
  4. Step 4: Simplify right side
    453,249.96x = 127,078,602,404.44
  5. Step 5: Solve for x
    x = 127,078,602,404.44/453,249.96
  6. Step 6: Final answer
    x = 280,372.01

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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.