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Finding the Fourth Proportional to 697,754.94, 963,051.87 and 425,764.56

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Solution

The fourth proportional to 697,754.94, 963,051.87 and 425,764.56 is: 587,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,754.94 : 963,051.87 = 425,764.56 : x
  2. Step 2: Convert to fraction form
    697,754.94/963,051.87 = 425,764.56/x
  3. Step 3: Cross multiply
    697,754.94x = 963,051.87 × 425,764.56
  4. Step 4: Simplify right side
    697,754.94x = 410,033,355,687.73
  5. Step 5: Solve for x
    x = 410,033,355,687.73/697,754.94
  6. Step 6: Final answer
    x = 587,646.65

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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.