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Finding the Fourth Proportional to 454,354.89, 626,981.61 and 250,394.46

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Solution

The fourth proportional to 454,354.89, 626,981.61 and 250,394.46 is: 345,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,354.89 : 626,981.61 = 250,394.46 : x
  2. Step 2: Convert to fraction form
    454,354.89/626,981.61 = 250,394.46/x
  3. Step 3: Cross multiply
    454,354.89x = 626,981.61 × 250,394.46
  4. Step 4: Simplify right side
    454,354.89x = 156,992,721,665.88
  5. Step 5: Solve for x
    x = 156,992,721,665.88/454,354.89
  6. Step 6: Final answer
    x = 345,528.85

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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.