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Finding the Fourth Proportional to 373,772.61, 560,084.82 and 253,673.49

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Solution

The fourth proportional to 373,772.61, 560,084.82 and 253,673.49 is: 380,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,772.61 : 560,084.82 = 253,673.49 : x
  2. Step 2: Convert to fraction form
    373,772.61/560,084.82 = 253,673.49/x
  3. Step 3: Cross multiply
    373,772.61x = 560,084.82 × 253,673.49
  4. Step 4: Simplify right side
    373,772.61x = 142,078,670,985.42
  5. Step 5: Solve for x
    x = 142,078,670,985.42/373,772.61
  6. Step 6: Final answer
    x = 380,120.61

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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.