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Finding the Fourth Proportional to 347,763.54, 479,931.54 and 194,792.60

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Solution

The fourth proportional to 347,763.54, 479,931.54 and 194,792.60 is: 268,823.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,763.54 : 479,931.54 = 194,792.60 : x
  2. Step 2: Convert to fraction form
    347,763.54/479,931.54 = 194,792.60/x
  3. Step 3: Cross multiply
    347,763.54x = 479,931.54 × 194,792.60
  4. Step 4: Simplify right side
    347,763.54x = 93,487,112,498.60
  5. Step 5: Solve for x
    x = 93,487,112,498.60/347,763.54
  6. Step 6: Final answer
    x = 268,823.79

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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.