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Finding the Fourth Proportional to 503,811.50, 695,256.82 and 277,455.38

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Solution

The fourth proportional to 503,811.50, 695,256.82 and 277,455.38 is: 382,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,811.50 : 695,256.82 = 277,455.38 : x
  2. Step 2: Convert to fraction form
    503,811.50/695,256.82 = 277,455.38/x
  3. Step 3: Cross multiply
    503,811.50x = 695,256.82 × 277,455.38
  4. Step 4: Simplify right side
    503,811.50x = 192,902,741,020.77
  5. Step 5: Solve for x
    x = 192,902,741,020.77/503,811.50
  6. Step 6: Final answer
    x = 382,886.74

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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.