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Finding the Fourth Proportional to 560,195.37, 773,065.89 and 318,478.01

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Solution

The fourth proportional to 560,195.37, 773,065.89 and 318,478.01 is: 439,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,195.37 : 773,065.89 = 318,478.01 : x
  2. Step 2: Convert to fraction form
    560,195.37/773,065.89 = 318,478.01/x
  3. Step 3: Cross multiply
    560,195.37x = 773,065.89 × 318,478.01
  4. Step 4: Simplify right side
    560,195.37x = 246,204,482,380.75
  5. Step 5: Solve for x
    x = 246,204,482,380.75/560,195.37
  6. Step 6: Final answer
    x = 439,497.53

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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.