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Finding the Fourth Proportional to 451,666.70, 677,500.05 and 274,228.10

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Solution

The fourth proportional to 451,666.70, 677,500.05 and 274,228.10 is: 411,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,666.70 : 677,500.05 = 274,228.10 : x
  2. Step 2: Convert to fraction form
    451,666.70/677,500.05 = 274,228.10/x
  3. Step 3: Cross multiply
    451,666.70x = 677,500.05 × 274,228.10
  4. Step 4: Simplify right side
    451,666.70x = 185,789,551,461.41
  5. Step 5: Solve for x
    x = 185,789,551,461.41/451,666.70
  6. Step 6: Final answer
    x = 411,342.15

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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.