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Finding the Fourth Proportional to 347,146.53, 479,106.51 and 194,193.22

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Solution

The fourth proportional to 347,146.53, 479,106.51 and 194,193.22 is: 268,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,146.53 : 479,106.51 = 194,193.22 : x
  2. Step 2: Convert to fraction form
    347,146.53/479,106.51 = 194,193.22/x
  3. Step 3: Cross multiply
    347,146.53x = 479,106.51 × 194,193.22
  4. Step 4: Simplify right side
    347,146.53x = 93,039,233,973.87
  5. Step 5: Solve for x
    x = 93,039,233,973.87/347,146.53
  6. Step 6: Final answer
    x = 268,011.42

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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.