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Finding the Fourth Proportional to 405,910.93, 560,148.69 and 224,622.73

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Solution

The fourth proportional to 405,910.93, 560,148.69 and 224,622.73 is: 309,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,910.93 : 560,148.69 = 224,622.73 : x
  2. Step 2: Convert to fraction form
    405,910.93/560,148.69 = 224,622.73/x
  3. Step 3: Cross multiply
    405,910.93x = 560,148.69 × 224,622.73
  4. Step 4: Simplify right side
    405,910.93x = 125,822,127,953.72
  5. Step 5: Solve for x
    x = 125,822,127,953.72/405,910.93
  6. Step 6: Final answer
    x = 309,974.72

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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.