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Finding the Fourth Proportional to 454,164.44, 626,747.10 and 263,288.48

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Solution

The fourth proportional to 454,164.44, 626,747.10 and 263,288.48 is: 363,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,164.44 : 626,747.10 = 263,288.48 : x
  2. Step 2: Convert to fraction form
    454,164.44/626,747.10 = 263,288.48/x
  3. Step 3: Cross multiply
    454,164.44x = 626,747.10 × 263,288.48
  4. Step 4: Simplify right side
    454,164.44x = 165,015,291,303.41
  5. Step 5: Solve for x
    x = 165,015,291,303.41/454,164.44
  6. Step 6: Final answer
    x = 363,338.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.