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Finding the Fourth Proportional to 504,354.82, 696,005.18 and 274,912.14

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Solution

The fourth proportional to 504,354.82, 696,005.18 and 274,912.14 is: 379,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,354.82 : 696,005.18 = 274,912.14 : x
  2. Step 2: Convert to fraction form
    504,354.82/696,005.18 = 274,912.14/x
  3. Step 3: Cross multiply
    504,354.82x = 696,005.18 × 274,912.14
  4. Step 4: Simplify right side
    504,354.82x = 191,340,273,484.89
  5. Step 5: Solve for x
    x = 191,340,273,484.89/504,354.82
  6. Step 6: Final answer
    x = 379,376.32

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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.