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Finding the Fourth Proportional to 373,778.50, 560,915.38 and 205,416.41

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Solution

The fourth proportional to 373,778.50, 560,915.38 and 205,416.41 is: 308,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,778.50 : 560,915.38 = 205,416.41 : x
  2. Step 2: Convert to fraction form
    373,778.50/560,915.38 = 205,416.41/x
  3. Step 3: Cross multiply
    373,778.50x = 560,915.38 × 205,416.41
  4. Step 4: Simplify right side
    373,778.50x = 115,221,221,125.58
  5. Step 5: Solve for x
    x = 115,221,221,125.58/373,778.50
  6. Step 6: Final answer
    x = 308,260.70

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1.5x scale

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.