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Finding the Fourth Proportional to 557,774.91, 769,446 and 364,295.97

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Solution

The fourth proportional to 557,774.91, 769,446 and 364,295.97 is: 502,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,774.91 : 769,446 = 364,295.97 : x
  2. Step 2: Convert to fraction form
    557,774.91/769,446 = 364,295.97/x
  3. Step 3: Cross multiply
    557,774.91x = 769,446 × 364,295.97
  4. Step 4: Simplify right side
    557,774.91x = 280,306,076,932.62
  5. Step 5: Solve for x
    x = 280,306,076,932.62/557,774.91
  6. Step 6: Final answer
    x = 502,543.36

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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.