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Finding the Fourth Proportional to 605,851.40, 836,137.14 and 364,212.20

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Solution

The fourth proportional to 605,851.40, 836,137.14 and 364,212.20 is: 502,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,851.40 : 836,137.14 = 364,212.20 : x
  2. Step 2: Convert to fraction form
    605,851.40/836,137.14 = 364,212.20/x
  3. Step 3: Cross multiply
    605,851.40x = 836,137.14 × 364,212.20
  4. Step 4: Simplify right side
    605,851.40x = 304,531,347,261.11
  5. Step 5: Solve for x
    x = 304,531,347,261.11/605,851.40
  6. Step 6: Final answer
    x = 502,650.23

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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.