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Finding the Fourth Proportional to 405,923.22, 560,175.13 and 224,647.65

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Solution

The fourth proportional to 405,923.22, 560,175.13 and 224,647.65 is: 310,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,923.22 : 560,175.13 = 224,647.65 : x
  2. Step 2: Convert to fraction form
    405,923.22/560,175.13 = 224,647.65/x
  3. Step 3: Cross multiply
    405,923.22x = 560,175.13 × 224,647.65
  4. Step 4: Simplify right side
    405,923.22x = 125,842,027,523.97
  5. Step 5: Solve for x
    x = 125,842,027,523.97/405,923.22
  6. Step 6: Final answer
    x = 310,014.36

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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.