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Finding the Fourth Proportional to 560,197.77, 773,069.37 and 318,480.41

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Solution

The fourth proportional to 560,197.77, 773,069.37 and 318,480.41 is: 439,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,197.77 : 773,069.37 = 318,480.41 : x
  2. Step 2: Convert to fraction form
    560,197.77/773,069.37 = 318,480.41/x
  3. Step 3: Cross multiply
    560,197.77x = 773,069.37 × 318,480.41
  4. Step 4: Simplify right side
    560,197.77x = 246,207,446,050.70
  5. Step 5: Solve for x
    x = 246,207,446,050.70/560,197.77
  6. Step 6: Final answer
    x = 439,500.94

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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.