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Finding the Fourth Proportional to 405,953.82, 560,223.27 and 224,680.68

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Solution

The fourth proportional to 405,953.82, 560,223.27 and 224,680.68 is: 310,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,953.82 : 560,223.27 = 224,680.68 : x
  2. Step 2: Convert to fraction form
    405,953.82/560,223.27 = 224,680.68/x
  3. Step 3: Cross multiply
    405,953.82x = 560,223.27 × 224,680.68
  4. Step 4: Simplify right side
    405,953.82x = 125,871,345,255.42
  5. Step 5: Solve for x
    x = 125,871,345,255.42/405,953.82
  6. Step 6: Final answer
    x = 310,063.21

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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.