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Finding the Fourth Proportional to 560,247.14, 773,109.96 and 318,496.16

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Solution

The fourth proportional to 560,247.14, 773,109.96 and 318,496.16 is: 439,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,247.14 : 773,109.96 = 318,496.16 : x
  2. Step 2: Convert to fraction form
    560,247.14/773,109.96 = 318,496.16/x
  3. Step 3: Cross multiply
    560,247.14x = 773,109.96 × 318,496.16
  4. Step 4: Simplify right side
    560,247.14x = 246,232,553,517.75
  5. Step 5: Solve for x
    x = 246,232,553,517.75/560,247.14
  6. Step 6: Final answer
    x = 439,507.02

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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.