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Finding the Fourth Proportional to 504,438.37, 696,103.37 and 274,990.17

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Solution

The fourth proportional to 504,438.37, 696,103.37 and 274,990.17 is: 379,474.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,438.37 : 696,103.37 = 274,990.17 : x
  2. Step 2: Convert to fraction form
    504,438.37/696,103.37 = 274,990.17/x
  3. Step 3: Cross multiply
    504,438.37x = 696,103.37 × 274,990.17
  4. Step 4: Simplify right side
    504,438.37x = 191,421,586,320.52
  5. Step 5: Solve for x
    x = 191,421,586,320.52/504,438.37
  6. Step 6: Final answer
    x = 379,474.68

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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.