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Finding the Fourth Proportional to 503,528.74, 694,869.65 and 277,174.24

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Solution

The fourth proportional to 503,528.74, 694,869.65 and 277,174.24 is: 382,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,528.74 : 694,869.65 = 277,174.24 : x
  2. Step 2: Convert to fraction form
    503,528.74/694,869.65 = 277,174.24/x
  3. Step 3: Cross multiply
    503,528.74x = 694,869.65 × 277,174.24
  4. Step 4: Simplify right side
    503,528.74x = 192,599,967,137.82
  5. Step 5: Solve for x
    x = 192,599,967,137.82/503,528.74
  6. Step 6: Final answer
    x = 382,500.45

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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.