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Finding the Fourth Proportional to 414,339.19, 621,507.01 and 114,818.91

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Solution

The fourth proportional to 414,339.19, 621,507.01 and 114,818.91 is: 172,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,339.19 : 621,507.01 = 114,818.91 : x
  2. Step 2: Convert to fraction form
    414,339.19/621,507.01 = 114,818.91/x
  3. Step 3: Cross multiply
    414,339.19x = 621,507.01 × 114,818.91
  4. Step 4: Simplify right side
    414,339.19x = 71,360,755,043.15
  5. Step 5: Solve for x
    x = 71,360,755,043.15/414,339.19
  6. Step 6: Final answer
    x = 172,227.87

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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.