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Finding the Fourth Proportional to 373,909.59, 560,865.20 and 163,563.93

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Solution

The fourth proportional to 373,909.59, 560,865.20 and 163,563.93 is: 245,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,909.59 : 560,865.20 = 163,563.93 : x
  2. Step 2: Convert to fraction form
    373,909.59/560,865.20 = 163,563.93/x
  3. Step 3: Cross multiply
    373,909.59x = 560,865.20 × 163,563.93
  4. Step 4: Simplify right side
    373,909.59x = 91,737,315,494.42
  5. Step 5: Solve for x
    x = 91,737,315,494.42/373,909.59
  6. Step 6: Final answer
    x = 245,346.25

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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.