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Finding the Fourth Proportional to 405,925.44, 560,178.20 and 224,649.87

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Solution

The fourth proportional to 405,925.44, 560,178.20 and 224,649.87 is: 310,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,925.44 : 560,178.20 = 224,649.87 : x
  2. Step 2: Convert to fraction form
    405,925.44/560,178.20 = 224,649.87/x
  3. Step 3: Cross multiply
    405,925.44x = 560,178.20 × 224,649.87
  4. Step 4: Simplify right side
    405,925.44x = 125,843,958,683.59
  5. Step 5: Solve for x
    x = 125,843,958,683.59/405,925.44
  6. Step 6: Final answer
    x = 310,017.42

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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.