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Finding the Fourth Proportional to 544,094.80, 816,142.20 and 344,640.40

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Solution

The fourth proportional to 544,094.80, 816,142.20 and 344,640.40 is: 516,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,094.80 : 816,142.20 = 344,640.40 : x
  2. Step 2: Convert to fraction form
    544,094.80/816,142.20 = 344,640.40/x
  3. Step 3: Cross multiply
    544,094.80x = 816,142.20 × 344,640.40
  4. Step 4: Simplify right side
    544,094.80x = 281,275,574,264.88
  5. Step 5: Solve for x
    x = 281,275,574,264.88/544,094.80
  6. Step 6: Final answer
    x = 516,960.60

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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.