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Finding the Fourth Proportional to 984,718.86, 1,476,487.80 and 451,572

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Solution

The fourth proportional to 984,718.86, 1,476,487.80 and 451,572 is: 677,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,718.86 : 1,476,487.80 = 451,572 : x
  2. Step 2: Convert to fraction form
    984,718.86/1,476,487.80 = 451,572/x
  3. Step 3: Cross multiply
    984,718.86x = 1,476,487.80 × 451,572
  4. Step 4: Simplify right side
    984,718.86x = 666,740,548,821.60
  5. Step 5: Solve for x
    x = 666,740,548,821.60/984,718.86
  6. Step 6: Final answer
    x = 677,087.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.