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Finding the Fourth Proportional to 414,000.10, 621,000.15 and 224,551.23

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Solution

The fourth proportional to 414,000.10, 621,000.15 and 224,551.23 is: 336,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,000.10 : 621,000.15 = 224,551.23 : x
  2. Step 2: Convert to fraction form
    414,000.10/621,000.15 = 224,551.23/x
  3. Step 3: Cross multiply
    414,000.10x = 621,000.15 × 224,551.23
  4. Step 4: Simplify right side
    414,000.10x = 139,446,344,407.68
  5. Step 5: Solve for x
    x = 139,446,344,407.68/414,000.10
  6. Step 6: Final answer
    x = 336,826.84

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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.