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Finding the Fourth Proportional to 503,997.38, 695,516.07 and 277,642.88

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Solution

The fourth proportional to 503,997.38, 695,516.07 and 277,642.88 is: 383,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,997.38 : 695,516.07 = 277,642.88 : x
  2. Step 2: Convert to fraction form
    503,997.38/695,516.07 = 277,642.88/x
  3. Step 3: Cross multiply
    503,997.38x = 695,516.07 × 277,642.88
  4. Step 4: Simplify right side
    503,997.38x = 193,105,084,761.08
  5. Step 5: Solve for x
    x = 193,105,084,761.08/503,997.38
  6. Step 6: Final answer
    x = 383,147.00

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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.