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Finding the Fourth Proportional to 544,984.20, 816,698.70 and 401,711.40

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Solution

The fourth proportional to 544,984.20, 816,698.70 and 401,711.40 is: 601,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,984.20 : 816,698.70 = 401,711.40 : x
  2. Step 2: Convert to fraction form
    544,984.20/816,698.70 = 401,711.40/x
  3. Step 3: Cross multiply
    544,984.20x = 816,698.70 × 401,711.40
  4. Step 4: Simplify right side
    544,984.20x = 328,077,178,155.18
  5. Step 5: Solve for x
    x = 328,077,178,155.18/544,984.20
  6. Step 6: Final answer
    x = 601,993.93

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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.