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Finding the Fourth Proportional to 347,655.09, 479,724.39 and 194,672.01

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Solution

The fourth proportional to 347,655.09, 479,724.39 and 194,672.01 is: 268,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,655.09 : 479,724.39 = 194,672.01 : x
  2. Step 2: Convert to fraction form
    347,655.09/479,724.39 = 194,672.01/x
  3. Step 3: Cross multiply
    347,655.09x = 479,724.39 × 194,672.01
  4. Step 4: Simplify right side
    347,655.09x = 93,388,911,247.32
  5. Step 5: Solve for x
    x = 93,388,911,247.32/347,655.09
  6. Step 6: Final answer
    x = 268,625.18

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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.