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Finding the Fourth Proportional to 504,391.43, 696,050.66 and 274,950.83

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Solution

The fourth proportional to 504,391.43, 696,050.66 and 274,950.83 is: 379,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,391.43 : 696,050.66 = 274,950.83 : x
  2. Step 2: Convert to fraction form
    504,391.43/696,050.66 = 274,950.83/x
  3. Step 3: Cross multiply
    504,391.43x = 696,050.66 × 274,950.83
  4. Step 4: Simplify right side
    504,391.43x = 191,379,703,896.17
  5. Step 5: Solve for x
    x = 191,379,703,896.17/504,391.43
  6. Step 6: Final answer
    x = 379,426.96

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Similar ratio
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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.