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Finding the Fourth Proportional to 544,057.10, 816,085.65 and 367,109.90

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Solution

The fourth proportional to 544,057.10, 816,085.65 and 367,109.90 is: 550,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,057.10 : 816,085.65 = 367,109.90 : x
  2. Step 2: Convert to fraction form
    544,057.10/816,085.65 = 367,109.90/x
  3. Step 3: Cross multiply
    544,057.10x = 816,085.65 × 367,109.90
  4. Step 4: Simplify right side
    544,057.10x = 299,593,121,362.94
  5. Step 5: Solve for x
    x = 299,593,121,362.94/544,057.10
  6. Step 6: Final answer
    x = 550,664.85

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Double scale
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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.