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Finding the Fourth Proportional to 582,452,669.40, 873,679,004.10 and 490,619,664.60

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Solution

The fourth proportional to 582,452,669.40, 873,679,004.10 and 490,619,664.60 is: 735,929,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,452,669.40 : 873,679,004.10 = 490,619,664.60 : x
  2. Step 2: Convert to fraction form
    582,452,669.40/873,679,004.10 = 490,619,664.60/x
  3. Step 3: Cross multiply
    582,452,669.40x = 873,679,004.10 × 490,619,664.60
  4. Step 4: Simplify right side
    582,452,669.40x = 428,644,099,959,604,032
  5. Step 5: Solve for x
    x = 428,644,099,959,604,032/582,452,669.40
  6. Step 6: Final answer
    x = 735,929,496.90

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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.