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Finding the Fourth Proportional to 446,309.70, 669,464.55 and 165,768.90

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Solution

The fourth proportional to 446,309.70, 669,464.55 and 165,768.90 is: 248,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,309.70 : 669,464.55 = 165,768.90 : x
  2. Step 2: Convert to fraction form
    446,309.70/669,464.55 = 165,768.90/x
  3. Step 3: Cross multiply
    446,309.70x = 669,464.55 × 165,768.90
  4. Step 4: Simplify right side
    446,309.70x = 110,976,402,042.50
  5. Step 5: Solve for x
    x = 110,976,402,042.50/446,309.70
  6. Step 6: Final answer
    x = 248,653.35

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Double scale
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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.