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Finding the Fourth Proportional to 984,694.86, 1,476,451.80 and 451,548

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Solution

The fourth proportional to 984,694.86, 1,476,451.80 and 451,548 is: 677,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,694.86 : 1,476,451.80 = 451,548 : x
  2. Step 2: Convert to fraction form
    984,694.86/1,476,451.80 = 451,548/x
  3. Step 3: Cross multiply
    984,694.86x = 1,476,451.80 × 451,548
  4. Step 4: Simplify right side
    984,694.86x = 666,688,857,386.40
  5. Step 5: Solve for x
    x = 666,688,857,386.40/984,694.86
  6. Step 6: Final answer
    x = 677,051.22

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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.