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Finding the Fourth Proportional to 405,793.36, 560,005.25 and 244,658.75

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Solution

The fourth proportional to 405,793.36, 560,005.25 and 244,658.75 is: 337,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,793.36 : 560,005.25 = 244,658.75 : x
  2. Step 2: Convert to fraction form
    405,793.36/560,005.25 = 244,658.75/x
  3. Step 3: Cross multiply
    405,793.36x = 560,005.25 × 244,658.75
  4. Step 4: Simplify right side
    405,793.36x = 137,010,184,635.16
  5. Step 5: Solve for x
    x = 137,010,184,635.16/405,793.36
  6. Step 6: Final answer
    x = 337,635.36

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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.