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Finding the Fourth Proportional to 503,996.25, 695,514.52 and 277,641.75

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Solution

The fourth proportional to 503,996.25, 695,514.52 and 277,641.75 is: 383,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,996.25 : 695,514.52 = 277,641.75 : x
  2. Step 2: Convert to fraction form
    503,996.25/695,514.52 = 277,641.75/x
  3. Step 3: Cross multiply
    503,996.25x = 695,514.52 × 277,641.75
  4. Step 4: Simplify right side
    503,996.25x = 193,103,867,789.11
  5. Step 5: Solve for x
    x = 193,103,867,789.11/503,996.25
  6. Step 6: Final answer
    x = 383,145.45

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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.