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Finding the Fourth Proportional to 560,296.23, 773,245.34 and 318,601.29

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Solution

The fourth proportional to 560,296.23, 773,245.34 and 318,601.29 is: 439,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,296.23 : 773,245.34 = 318,601.29 : x
  2. Step 2: Convert to fraction form
    560,296.23/773,245.34 = 318,601.29/x
  3. Step 3: Cross multiply
    560,296.23x = 773,245.34 × 318,601.29
  4. Step 4: Simplify right side
    560,296.23x = 246,356,961,217.48
  5. Step 5: Solve for x
    x = 246,356,961,217.48/560,296.23
  6. Step 6: Final answer
    x = 439,690.56

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1.5x scale

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.