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Finding the Fourth Proportional to 560,687.60, 773,736.56 and 306,043.04

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Solution

The fourth proportional to 560,687.60, 773,736.56 and 306,043.04 is: 422,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,687.60 : 773,736.56 = 306,043.04 : x
  2. Step 2: Convert to fraction form
    560,687.60/773,736.56 = 306,043.04/x
  3. Step 3: Cross multiply
    560,687.60x = 773,736.56 × 306,043.04
  4. Step 4: Simplify right side
    560,687.60x = 236,796,688,981.54
  5. Step 5: Solve for x
    x = 236,796,688,981.54/560,687.60
  6. Step 6: Final answer
    x = 422,332.67

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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.