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Finding the Fourth Proportional to 454,338.64, 626,991.61 and 250,396.92

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Solution

The fourth proportional to 454,338.64, 626,991.61 and 250,396.92 is: 345,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,338.64 : 626,991.61 = 250,396.92 : x
  2. Step 2: Convert to fraction form
    454,338.64/626,991.61 = 250,396.92/x
  3. Step 3: Cross multiply
    454,338.64x = 626,991.61 × 250,396.92
  4. Step 4: Simplify right side
    454,338.64x = 156,996,768,009.84
  5. Step 5: Solve for x
    x = 156,996,768,009.84/454,338.64
  6. Step 6: Final answer
    x = 345,550.11

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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.