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Finding the Fourth Proportional to 443,077.64, 611,391.12 and 252,094.22

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Solution

The fourth proportional to 443,077.64, 611,391.12 and 252,094.22 is: 347,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,077.64 : 611,391.12 = 252,094.22 : x
  2. Step 2: Convert to fraction form
    443,077.64/611,391.12 = 252,094.22/x
  3. Step 3: Cross multiply
    443,077.64x = 611,391.12 × 252,094.22
  4. Step 4: Simplify right side
    443,077.64x = 154,128,167,511.33
  5. Step 5: Solve for x
    x = 154,128,167,511.33/443,077.64
  6. Step 6: Final answer
    x = 347,858.15

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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.