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Finding the Fourth Proportional to 352,506.56, 486,459.63 and 191,361.69

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Solution

The fourth proportional to 352,506.56, 486,459.63 and 191,361.69 is: 264,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,506.56 : 486,459.63 = 191,361.69 : x
  2. Step 2: Convert to fraction form
    352,506.56/486,459.63 = 191,361.69/x
  3. Step 3: Cross multiply
    352,506.56x = 486,459.63 × 191,361.69
  4. Step 4: Simplify right side
    352,506.56x = 93,089,736,913.57
  5. Step 5: Solve for x
    x = 93,089,736,913.57/352,506.56
  6. Step 6: Final answer
    x = 264,079.45

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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.