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Finding the Fourth Proportional to 648,491.59, 888,429.34 and 624,241.03

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Solution

The fourth proportional to 648,491.59, 888,429.34 and 624,241.03 is: 855,206.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,491.59 : 888,429.34 = 624,241.03 : x
  2. Step 2: Convert to fraction form
    648,491.59/888,429.34 = 624,241.03/x
  3. Step 3: Cross multiply
    648,491.59x = 888,429.34 × 624,241.03
  4. Step 4: Simplify right side
    648,491.59x = 554,594,041,841.67
  5. Step 5: Solve for x
    x = 554,594,041,841.67/648,491.59
  6. Step 6: Final answer
    x = 855,206.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.