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Finding the Fourth Proportional to 560,384.58, 773,329.96 and 305,735.77

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Solution

The fourth proportional to 560,384.58, 773,329.96 and 305,735.77 is: 421,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,384.58 : 773,329.96 = 305,735.77 : x
  2. Step 2: Convert to fraction form
    560,384.58/773,329.96 = 305,735.77/x
  3. Step 3: Cross multiply
    560,384.58x = 773,329.96 × 305,735.77
  4. Step 4: Simplify right side
    560,384.58x = 236,434,626,923.64
  5. Step 5: Solve for x
    x = 236,434,626,923.64/560,384.58
  6. Step 6: Final answer
    x = 421,914.94

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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.