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Finding the Fourth Proportional to 503,847.81, 695,278.08 and 277,493.31

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Solution

The fourth proportional to 503,847.81, 695,278.08 and 277,493.31 is: 382,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,847.81 : 695,278.08 = 277,493.31 : x
  2. Step 2: Convert to fraction form
    503,847.81/695,278.08 = 277,493.31/x
  3. Step 3: Cross multiply
    503,847.81x = 695,278.08 × 277,493.31
  4. Step 4: Simplify right side
    503,847.81x = 192,935,015,789.65
  5. Step 5: Solve for x
    x = 192,935,015,789.65/503,847.81
  6. Step 6: Final answer
    x = 382,923.20

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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.