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Finding the Fourth Proportional to 544,042.80, 816,064.20 and 188,938.80

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Solution

The fourth proportional to 544,042.80, 816,064.20 and 188,938.80 is: 283,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,042.80 : 816,064.20 = 188,938.80 : x
  2. Step 2: Convert to fraction form
    544,042.80/816,064.20 = 188,938.80/x
  3. Step 3: Cross multiply
    544,042.80x = 816,064.20 × 188,938.80
  4. Step 4: Simplify right side
    544,042.80x = 154,186,190,670.96
  5. Step 5: Solve for x
    x = 154,186,190,670.96/544,042.80
  6. Step 6: Final answer
    x = 283,408.20

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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.