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Finding the Fourth Proportional to 347,582.66, 479,650.76 and 194,606.54

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Solution

The fourth proportional to 347,582.66, 479,650.76 and 194,606.54 is: 268,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,582.66 : 479,650.76 = 194,606.54 : x
  2. Step 2: Convert to fraction form
    347,582.66/479,650.76 = 194,606.54/x
  3. Step 3: Cross multiply
    347,582.66x = 479,650.76 × 194,606.54
  4. Step 4: Simplify right side
    347,582.66x = 93,343,174,811.97
  5. Step 5: Solve for x
    x = 93,343,174,811.97/347,582.66
  6. Step 6: Final answer
    x = 268,549.57

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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.