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Finding the Fourth Proportional to 345,361.60, 476,597.28 and 194,459.68

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Solution

The fourth proportional to 345,361.60, 476,597.28 and 194,459.68 is: 268,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,361.60 : 476,597.28 = 194,459.68 : x
  2. Step 2: Convert to fraction form
    345,361.60/476,597.28 = 194,459.68/x
  3. Step 3: Cross multiply
    345,361.60x = 476,597.28 × 194,459.68
  4. Step 4: Simplify right side
    345,361.60x = 92,678,954,557.67
  5. Step 5: Solve for x
    x = 92,678,954,557.67/345,361.60
  6. Step 6: Final answer
    x = 268,353.39

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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.