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Finding the Fourth Proportional to 504,972.03, 696,231.06 and 323,385.42

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Solution

The fourth proportional to 504,972.03, 696,231.06 and 323,385.42 is: 445,868.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,972.03 : 696,231.06 = 323,385.42 : x
  2. Step 2: Convert to fraction form
    504,972.03/696,231.06 = 323,385.42/x
  3. Step 3: Cross multiply
    504,972.03x = 696,231.06 × 323,385.42
  4. Step 4: Simplify right side
    504,972.03x = 225,150,973,755.15
  5. Step 5: Solve for x
    x = 225,150,973,755.15/504,972.03
  6. Step 6: Final answer
    x = 445,868.21

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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.