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Finding the Fourth Proportional to 546,800.10, 820,200.15 and 310,604.10

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Solution

The fourth proportional to 546,800.10, 820,200.15 and 310,604.10 is: 465,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,800.10 : 820,200.15 = 310,604.10 : x
  2. Step 2: Convert to fraction form
    546,800.10/820,200.15 = 310,604.10/x
  3. Step 3: Cross multiply
    546,800.10x = 820,200.15 × 310,604.10
  4. Step 4: Simplify right side
    546,800.10x = 254,757,529,410.62
  5. Step 5: Solve for x
    x = 254,757,529,410.62/546,800.10
  6. Step 6: Final answer
    x = 465,906.15

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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.