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Finding the Fourth Proportional to 251,912.64, 347,432.80 and 183,853.12

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Solution

The fourth proportional to 251,912.64, 347,432.80 and 183,853.12 is: 253,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,912.64 : 347,432.80 = 183,853.12 : x
  2. Step 2: Convert to fraction form
    251,912.64/347,432.80 = 183,853.12/x
  3. Step 3: Cross multiply
    251,912.64x = 347,432.80 × 183,853.12
  4. Step 4: Simplify right side
    251,912.64x = 63,876,604,270.34
  5. Step 5: Solve for x
    x = 63,876,604,270.34/251,912.64
  6. Step 6: Final answer
    x = 253,566.49

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1.5x scale

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.