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Finding the Fourth Proportional to 435,074.18, 600,512.72 and 297,308.88

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Solution

The fourth proportional to 435,074.18, 600,512.72 and 297,308.88 is: 410,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,074.18 : 600,512.72 = 297,308.88 : x
  2. Step 2: Convert to fraction form
    435,074.18/600,512.72 = 297,308.88/x
  3. Step 3: Cross multiply
    435,074.18x = 600,512.72 × 297,308.88
  4. Step 4: Simplify right side
    435,074.18x = 178,537,762,722.41
  5. Step 5: Solve for x
    x = 178,537,762,722.41/435,074.18
  6. Step 6: Final answer
    x = 410,361.66

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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.