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Finding the Fourth Proportional to 504,367.97, 696,006.85 and 274,920.21

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Solution

The fourth proportional to 504,367.97, 696,006.85 and 274,920.21 is: 379,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,367.97 : 696,006.85 = 274,920.21 : x
  2. Step 2: Convert to fraction form
    504,367.97/696,006.85 = 274,920.21/x
  3. Step 3: Cross multiply
    504,367.97x = 696,006.85 × 274,920.21
  4. Step 4: Simplify right side
    504,367.97x = 191,346,349,363.44
  5. Step 5: Solve for x
    x = 191,346,349,363.44/504,367.97
  6. Step 6: Final answer
    x = 379,378.47

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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.