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Finding the Fourth Proportional to 504,012.78, 694,580.65 and 360,523.70

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Solution

The fourth proportional to 504,012.78, 694,580.65 and 360,523.70 is: 496,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,012.78 : 694,580.65 = 360,523.70 : x
  2. Step 2: Convert to fraction form
    504,012.78/694,580.65 = 360,523.70/x
  3. Step 3: Cross multiply
    504,012.78x = 694,580.65 × 360,523.70
  4. Step 4: Simplify right side
    504,012.78x = 250,412,785,886.41
  5. Step 5: Solve for x
    x = 250,412,785,886.41/504,012.78
  6. Step 6: Final answer
    x = 496,838.17

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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.