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Finding the Fourth Proportional to 483,176.72, 666,676.50 and 292,186.02

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Solution

The fourth proportional to 483,176.72, 666,676.50 and 292,186.02 is: 403,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,176.72 : 666,676.50 = 292,186.02 : x
  2. Step 2: Convert to fraction form
    483,176.72/666,676.50 = 292,186.02/x
  3. Step 3: Cross multiply
    483,176.72x = 666,676.50 × 292,186.02
  4. Step 4: Simplify right side
    483,176.72x = 194,793,553,162.53
  5. Step 5: Solve for x
    x = 194,793,553,162.53/483,176.72
  6. Step 6: Final answer
    x = 403,151.78

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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.