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Finding the Fourth Proportional to 454,238.69, 626,841.12 and 250,308.43

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Solution

The fourth proportional to 454,238.69, 626,841.12 and 250,308.43 is: 345,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,238.69 : 626,841.12 = 250,308.43 : x
  2. Step 2: Convert to fraction form
    454,238.69/626,841.12 = 250,308.43/x
  3. Step 3: Cross multiply
    454,238.69x = 626,841.12 × 250,308.43
  4. Step 4: Simplify right side
    454,238.69x = 156,903,615,039.54
  5. Step 5: Solve for x
    x = 156,903,615,039.54/454,238.69
  6. Step 6: Final answer
    x = 345,421.08

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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.