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Finding the Fourth Proportional to 503,505.81, 694,837.65 and 277,151.31

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Solution

The fourth proportional to 503,505.81, 694,837.65 and 277,151.31 is: 382,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,505.81 : 694,837.65 = 277,151.31 : x
  2. Step 2: Convert to fraction form
    503,505.81/694,837.65 = 277,151.31/x
  3. Step 3: Cross multiply
    503,505.81x = 694,837.65 × 277,151.31
  4. Step 4: Simplify right side
    503,505.81x = 192,575,164,934.82
  5. Step 5: Solve for x
    x = 192,575,164,934.82/503,505.81
  6. Step 6: Final answer
    x = 382,468.61

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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.