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Finding the Fourth Proportional to 414,533.53, 621,800.12 and 115,014.06

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Solution

The fourth proportional to 414,533.53, 621,800.12 and 115,014.06 is: 172,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,533.53 : 621,800.12 = 115,014.06 : x
  2. Step 2: Convert to fraction form
    414,533.53/621,800.12 = 115,014.06/x
  3. Step 3: Cross multiply
    414,533.53x = 621,800.12 × 115,014.06
  4. Step 4: Simplify right side
    414,533.53x = 71,515,755,734.62
  5. Step 5: Solve for x
    x = 71,515,755,734.62/414,533.53
  6. Step 6: Final answer
    x = 172,521.04

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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.