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Finding the Fourth Proportional to 405,924.28, 560,176.60 and 224,648.71

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Solution

The fourth proportional to 405,924.28, 560,176.60 and 224,648.71 is: 310,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,924.28 : 560,176.60 = 224,648.71 : x
  2. Step 2: Convert to fraction form
    405,924.28/560,176.60 = 224,648.71/x
  3. Step 3: Cross multiply
    405,924.28x = 560,176.60 × 224,648.71
  4. Step 4: Simplify right side
    405,924.28x = 125,842,950,562.19
  5. Step 5: Solve for x
    x = 125,842,950,562.19/405,924.28
  6. Step 6: Final answer
    x = 310,015.83

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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.