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Finding the Fourth Proportional to 557,775.91, 769,447.38 and 364,296.97

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Solution

The fourth proportional to 557,775.91, 769,447.38 and 364,296.97 is: 502,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,775.91 : 769,447.38 = 364,296.97 : x
  2. Step 2: Convert to fraction form
    557,775.91/769,447.38 = 364,296.97/x
  3. Step 3: Cross multiply
    557,775.91x = 769,447.38 × 364,296.97
  4. Step 4: Simplify right side
    557,775.91x = 280,307,349,108.44
  5. Step 5: Solve for x
    x = 280,307,349,108.44/557,775.91
  6. Step 6: Final answer
    x = 502,544.74

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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.