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Finding the Fourth Proportional to 504,771.45, 696,585.12 and 289,953.07

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Solution

The fourth proportional to 504,771.45, 696,585.12 and 289,953.07 is: 400,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,771.45 : 696,585.12 = 289,953.07 : x
  2. Step 2: Convert to fraction form
    504,771.45/696,585.12 = 289,953.07/x
  3. Step 3: Cross multiply
    504,771.45x = 696,585.12 × 289,953.07
  4. Step 4: Simplify right side
    504,771.45x = 201,976,991,231.53
  5. Step 5: Solve for x
    x = 201,976,991,231.53/504,771.45
  6. Step 6: Final answer
    x = 400,135.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.