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Finding the Fourth Proportional to 405,984.44, 560,310.87 and 244,926.47

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Solution

The fourth proportional to 405,984.44, 560,310.87 and 244,926.47 is: 338,030.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,984.44 : 560,310.87 = 244,926.47 : x
  2. Step 2: Convert to fraction form
    405,984.44/560,310.87 = 244,926.47/x
  3. Step 3: Cross multiply
    405,984.44x = 560,310.87 × 244,926.47
  4. Step 4: Simplify right side
    405,984.44x = 137,234,960,690.18
  5. Step 5: Solve for x
    x = 137,234,960,690.18/405,984.44
  6. Step 6: Final answer
    x = 338,030.10

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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.