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Finding the Fourth Proportional to 454,171.44, 626,756.76 and 263,295.48

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Solution

The fourth proportional to 454,171.44, 626,756.76 and 263,295.48 is: 363,347.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,171.44 : 626,756.76 = 263,295.48 : x
  2. Step 2: Convert to fraction form
    454,171.44/626,756.76 = 263,295.48/x
  3. Step 3: Cross multiply
    454,171.44x = 626,756.76 × 263,295.48
  4. Step 4: Simplify right side
    454,171.44x = 165,022,221,967.45
  5. Step 5: Solve for x
    x = 165,022,221,967.45/454,171.44
  6. Step 6: Final answer
    x = 363,347.86

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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.