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Finding the Fourth Proportional to 414,392.35, 621,526.94 and 114,841.70

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Solution

The fourth proportional to 414,392.35, 621,526.94 and 114,841.70 is: 172,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,392.35 : 621,526.94 = 114,841.70 : x
  2. Step 2: Convert to fraction form
    414,392.35/621,526.94 = 114,841.70/x
  3. Step 3: Cross multiply
    414,392.35x = 621,526.94 × 114,841.70
  4. Step 4: Simplify right side
    414,392.35x = 71,377,206,703.55
  5. Step 5: Solve for x
    x = 71,377,206,703.55/414,392.35
  6. Step 6: Final answer
    x = 172,245.47

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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.