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Finding the Fourth Proportional to 692,201.32, 955,236 and 386,274.44

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Solution

The fourth proportional to 692,201.32, 955,236 and 386,274.44 is: 533,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,201.32 : 955,236 = 386,274.44 : x
  2. Step 2: Convert to fraction form
    692,201.32/955,236 = 386,274.44/x
  3. Step 3: Cross multiply
    692,201.32x = 955,236 × 386,274.44
  4. Step 4: Simplify right side
    692,201.32x = 368,983,250,967.84
  5. Step 5: Solve for x
    x = 368,983,250,967.84/692,201.32
  6. Step 6: Final answer
    x = 533,057.71

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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.