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Finding the Fourth Proportional to 503,996.38, 695,514.69 and 277,641.88

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Solution

The fourth proportional to 503,996.38, 695,514.69 and 277,641.88 is: 383,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,996.38 : 695,514.69 = 277,641.88 : x
  2. Step 2: Convert to fraction form
    503,996.38/695,514.69 = 277,641.88/x
  3. Step 3: Cross multiply
    503,996.38x = 695,514.69 × 277,641.88
  4. Step 4: Simplify right side
    503,996.38x = 193,104,004,360.43
  5. Step 5: Solve for x
    x = 193,104,004,360.43/503,996.38
  6. Step 6: Final answer
    x = 383,145.62

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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.