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Finding the Fourth Proportional to 347,336.76, 479,350.50 and 194,390.28

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Solution

The fourth proportional to 347,336.76, 479,350.50 and 194,390.28 is: 268,273.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,336.76 : 479,350.50 = 194,390.28 : x
  2. Step 2: Convert to fraction form
    347,336.76/479,350.50 = 194,390.28/x
  3. Step 3: Cross multiply
    347,336.76x = 479,350.50 × 194,390.28
  4. Step 4: Simplify right side
    347,336.76x = 93,181,077,913.14
  5. Step 5: Solve for x
    x = 93,181,077,913.14/347,336.76
  6. Step 6: Final answer
    x = 268,273.01

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1.5x scale

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.