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Finding the Fourth Proportional to 544,564.80, 816,847.20 and 308,368.80

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Solution

The fourth proportional to 544,564.80, 816,847.20 and 308,368.80 is: 462,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,564.80 : 816,847.20 = 308,368.80 : x
  2. Step 2: Convert to fraction form
    544,564.80/816,847.20 = 308,368.80/x
  3. Step 3: Cross multiply
    544,564.80x = 816,847.20 × 308,368.80
  4. Step 4: Simplify right side
    544,564.80x = 251,890,190,847.36
  5. Step 5: Solve for x
    x = 251,890,190,847.36/544,564.80
  6. Step 6: Final answer
    x = 462,553.20

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Similar ratio
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1.5x scale

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.