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Finding the Fourth Proportional to 503,701.44, 695,123.28 and 277,355.04

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Solution

The fourth proportional to 503,701.44, 695,123.28 and 277,355.04 is: 382,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,701.44 : 695,123.28 = 277,355.04 : x
  2. Step 2: Convert to fraction form
    503,701.44/695,123.28 = 277,355.04/x
  3. Step 3: Cross multiply
    503,701.44x = 695,123.28 × 277,355.04
  4. Step 4: Simplify right side
    503,701.44x = 192,795,945,129.33
  5. Step 5: Solve for x
    x = 192,795,945,129.33/503,701.44
  6. Step 6: Final answer
    x = 382,758.38

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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.