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Finding the Fourth Proportional to 505,144.42, 697,100.80 and 275,703.82

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Solution

The fourth proportional to 505,144.42, 697,100.80 and 275,703.82 is: 380,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,144.42 : 697,100.80 = 275,703.82 : x
  2. Step 2: Convert to fraction form
    505,144.42/697,100.80 = 275,703.82/x
  3. Step 3: Cross multiply
    505,144.42x = 697,100.80 × 275,703.82
  4. Step 4: Simplify right side
    505,144.42x = 192,193,353,485.06
  5. Step 5: Solve for x
    x = 192,193,353,485.06/505,144.42
  6. Step 6: Final answer
    x = 380,472.09

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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.