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Finding the Fourth Proportional to 370,911.85, 556,361.64 and 118,188.90

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Solution

The fourth proportional to 370,911.85, 556,361.64 and 118,188.90 is: 177,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,911.85 : 556,361.64 = 118,188.90 : x
  2. Step 2: Convert to fraction form
    370,911.85/556,361.64 = 118,188.90/x
  3. Step 3: Cross multiply
    370,911.85x = 556,361.64 × 118,188.90
  4. Step 4: Simplify right side
    370,911.85x = 65,755,770,233.80
  5. Step 5: Solve for x
    x = 65,755,770,233.80/370,911.85
  6. Step 6: Final answer
    x = 177,281.40

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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.