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Finding the Fourth Proportional to 328,955.97, 493,451.58 and 104,333.46

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Solution

The fourth proportional to 328,955.97, 493,451.58 and 104,333.46 is: 156,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,955.97 : 493,451.58 = 104,333.46 : x
  2. Step 2: Convert to fraction form
    328,955.97/493,451.58 = 104,333.46/x
  3. Step 3: Cross multiply
    328,955.97x = 493,451.58 × 104,333.46
  4. Step 4: Simplify right side
    328,955.97x = 51,483,510,683.87
  5. Step 5: Solve for x
    x = 51,483,510,683.87/328,955.97
  6. Step 6: Final answer
    x = 156,505.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.