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Finding the Fourth Proportional to 544,072.80, 816,109.20 and 463,591.20

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Solution

The fourth proportional to 544,072.80, 816,109.20 and 463,591.20 is: 695,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,072.80 : 816,109.20 = 463,591.20 : x
  2. Step 2: Convert to fraction form
    544,072.80/816,109.20 = 463,591.20/x
  3. Step 3: Cross multiply
    544,072.80x = 816,109.20 × 463,591.20
  4. Step 4: Simplify right side
    544,072.80x = 378,341,043,359.04
  5. Step 5: Solve for x
    x = 378,341,043,359.04/544,072.80
  6. Step 6: Final answer
    x = 695,386.80

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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.