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Finding the Fourth Proportional to 697,756.44, 963,053.94 and 425,766.06

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Solution

The fourth proportional to 697,756.44, 963,053.94 and 425,766.06 is: 587,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,756.44 : 963,053.94 = 425,766.06 : x
  2. Step 2: Convert to fraction form
    697,756.44/963,053.94 = 425,766.06/x
  3. Step 3: Cross multiply
    697,756.44x = 963,053.94 × 425,766.06
  4. Step 4: Simplify right side
    697,756.44x = 410,035,681,601.28
  5. Step 5: Solve for x
    x = 410,035,681,601.28/697,756.44
  6. Step 6: Final answer
    x = 587,648.72

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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.