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Finding the Fourth Proportional to 560,468.23, 773,463.24 and 318,785.62

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Solution

The fourth proportional to 560,468.23, 773,463.24 and 318,785.62 is: 439,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,468.23 : 773,463.24 = 318,785.62 : x
  2. Step 2: Convert to fraction form
    560,468.23/773,463.24 = 318,785.62/x
  3. Step 3: Cross multiply
    560,468.23x = 773,463.24 × 318,785.62
  4. Step 4: Simplify right side
    560,468.23x = 246,568,958,510.61
  5. Step 5: Solve for x
    x = 246,568,958,510.61/560,468.23
  6. Step 6: Final answer
    x = 439,933.87

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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.