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Finding the Fourth Proportional to 373,808.26, 560,515.35 and 163,200.16

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Solution

The fourth proportional to 373,808.26, 560,515.35 and 163,200.16 is: 244,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,808.26 : 560,515.35 = 163,200.16 : x
  2. Step 2: Convert to fraction form
    373,808.26/560,515.35 = 163,200.16/x
  3. Step 3: Cross multiply
    373,808.26x = 560,515.35 × 163,200.16
  4. Step 4: Simplify right side
    373,808.26x = 91,476,193,401.17
  5. Step 5: Solve for x
    x = 91,476,193,401.17/373,808.26
  6. Step 6: Final answer
    x = 244,714.21

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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.