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Finding the Fourth Proportional to 454,145.49, 626,770.04 and 250,217.33

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Solution

The fourth proportional to 454,145.49, 626,770.04 and 250,217.33 is: 345,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,145.49 : 626,770.04 = 250,217.33 : x
  2. Step 2: Convert to fraction form
    454,145.49/626,770.04 = 250,217.33/x
  3. Step 3: Cross multiply
    454,145.49x = 626,770.04 × 250,217.33
  4. Step 4: Simplify right side
    454,145.49x = 156,828,721,547.86
  5. Step 5: Solve for x
    x = 156,828,721,547.86/454,145.49
  6. Step 6: Final answer
    x = 345,327.05

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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.